(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 

133. As sources of electrical power, windmills now account for only about 2,500 megawatts nationwide, but production is almost expected to double by the end of the year, which

would provide enough electricity for 1.3 million households.

A. almost expected to double by the end of the year, which would provide

B. almost expected that it will double by the end of the year, thus providing

C. expected that it will almost double by the end of the year to provide

D. expected almost to double by the end of the year and thus to provide

E. expected almost to double by the end of the year, which would thus be providing