OG 10 224求助

gracecheung

225.

Minnesota is the only one of the contiguous forty-eight states that still has a sizable wolf populations, and where this predator remains the archenemy of cattle and sheep.

A.

B. that still has a sizable wolf population, where

C. that still has a sizable population of wolves, and where

D. where the population of wovles is still sizable

E. where there is still a sizable population of wolves and where

请问，为什么选E阿？？？谢谢！