GWD-2-12 请教

111cara

There are 11 women and 9 men in a certain club.  If the club is to select a committee of 2 women and 2 men, how many different such committees are possible?

A.     120

B.     720

C.     1,060

D.     1,520

E.      1,980

很不好意思地问这个题....实在是昏了,怎么都得不到E.~~~

没有搜到前人的讨论...估计是太简单了.

谢谢!

cpcjustin

C(2,11)*C(2,9)=1980