Hispanics

In California today, Hispanics under the age of eighteen account for more than 43 percent, compared with a decade ago, when it was about 35 percent.
A. In California today, Hispanics under the age of eighteen account for more than 43 percent, compared with a decade ago, when it was about 35 percent.
B. Of the Californians under the age of eighteen, today more than 43 percent of them are Hispanic, compared with a decade ago, when it was about 35 percent.
C. Today, more than 43 percent of Californians under the age of eighteen are Hispanic, compared with about 35 percent a decade ago.
D. Today, compared to a decade ago, Californians who are Hispanics under the age of eighteen account for more than 43 percent, whereas it was about 35 percent.
E. Today, Hispanics under the age of eighteen in California account for more than 43 percent, unlike a decade ago, when it was about 35 percent.

Climatic shifts are so gradual as

Climatic shifts are so gradual as to be indistinguishable at first from ordinary fluctuations in the weather.

(A) so gradual as to be indistinguishable
(B) so gradual they can be indistinguishable
(C) so gradual that they are unable to be distinguished
(D) gradual enough not to be distinguishable
(E) gradual enough so that one cannot distinguish them

'would have' vs 'had'

Many of us bemoan our lack of foresight by complaining that if we would have bought property twenty years ago, we could have taken advantage of the recent real estate boom.

A. by complaining that if we would have bought property twenty years ago, we could have taken advantage of the recent real estate boom
B. , looking backward to a potential property purchase twenty years ago and wishing we had done so for present purposes
C. : with real estate available so cheaply twenty years ago, the advantages of the recent boom would be ours for the asking
D. , complaining that if we had bought property twenty years ago, we could have taken advantage of the recent real estate boom
E. , the complaint being our lack of purchasing property twenty years ago and the consequent absence of profit in the recent real estate boom

The caterpillar of the geometrid moth strikes

The caterpillar of the Geometrid moth strikes when special tactile hairs on its
body are disturbed, after capturing its prey, holds the victim so that it cannot
escape.
(A) strikes when special tactile hairs on its body are disturbed,
(B) striking when special tactile hairs on its body are disturbed, but
(C) which strikes when special tactile hairs on its body are disturbed,
(D) which, striking when special tactile hairs on its body are disturbed,
(E) strikes when special tactile hairs on its body are disturbed and,

The investigations of many psychologists and anthropologists

The investigations of many psychologists and anthropologists support the generalization of there being little that is a significant difference in the underlying mental processes manifested by people from different cultures.
(A) of there being little that is a significant difference
(B) of there being little that is significantly different
(C) of little that is significantly different
(D) that there is little that is significantly different
(E) that there is little of significant differences

One report concludes that many

One report concludes that many schools do not have, or likely to have, enough computers to use them effectively.
(A) or
(B) nor
(C) or are
(D) nor are they
(E) nor are not