Whereas the female Sumatran tiger uses her territory only for hunting

Whereas the female Sumatran tiger uses her territory only for hunting, a male can occupy territory that overlaps with those of several females much more than would be required simply for hunting.

A. Whereas a female Sumatran tiger uses her territory only for hunting, a male can occupy territory that overlaps with those of several females
B. Unlike a female Sumatran tiger, which uses here territory only for hunting, a male's territory can overlap with those of several females
C. Unlike the territory of a female Sumatran tiger, which is used only for hunting, a male can occupy territory overlapping with those of several females
D. While the territory of a female Sumatran tiger is used only for hunting, with males, their territory can overlap with those of several females
E. The territory of a female Sumatran tiger is used only for hunting, unlike males, which can occupy territory overlapping with those of several females