Unlike a female grizzly bear in the Rockies, which typically occupies a range of 50 to 300 square miles, a male’s range will cover 200 to 500 and occasionally as many as 600.

A. Unlike a female grizzly bear in the Rockies, which typically occupies a range of 50 to 300 square miles, a male’s range will cover 200 to 500 and occasionally as

B. Unlike the range of a female grizzly bear in the Rockies, typically occupying 50 to 300 square miles, a male will cover 200 to 500 and occasionally so

C. While the typical range of a female grizzly bear in the Rockies is 50 to 300 square miles, with males, their range can cover 200 to 500 square miles and occasionally so

D. Whereas a female grizzly bear in the Rockies typically occupies a range of 50 to 300 square miles, a male will cover 200 to 500 and occasionally as

E. The typical range of a female grizzly bear in the Rockies is 50 to 300 square miles, unlike males, which will cover 200 to 500 square miles and occasionally as

正确答案D为什么后面用将来时a male will??

I think it's always better to think about why the other choices are wrong, rather than why the key is correct.

A, B, E, unlike不平行。

C, so错误，不是否定句，应该用as many as.