| GWD-9-Q25:
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?? | 
