39. 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 不太明白这道题为什莫选择E,好像E不和前面的clones并列啊, 能帮忙解释解释吗? |