It's necessary for them ______ another chance.

It's necessary for them ______ another chance.
A、to give
B、to be given
C、being given
D、giving
【正确答案】：B
【题目解析】：应该是他们被给机会，所以他们与机会之间的关系是被动，因此该用be given，it is necessary for sb. to do sth.对某人来说做某事是必要的。