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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
D 为什么不对
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