GWD21-Q39

 GWD21-Q39:

Almost like clones in their similarity to one another, the cheetah species’ homogeneity makes them especially vulnerable to disease.

A.      the cheetah species’ homogeneity makes them especially vulnerable to disease

B.       the cheetah species is especially vulnerable to disease because of its homogeneity

C.      the homogeneity of the cheetah species makes it especially vulnerable to disease

D.      homogeneity makes members of the cheetah species especially vulnerable to disease

E.       members of the cheetah species are especially vulnerable to disease because of their homogeneity

The answer is E, who can help give some explanations. Many thanks.

ding

Clones 是指克隆出来的生物，对应的主语只能选members