Much ______ been said about the problem but nothing ______ been done so far.

问题描述:

Much ______ been said about the problem but nothing ______ been done so far.
A.has,had B.has,has
C.had,had D.have,have
把这句话翻译一下.

选B
根据so far(到目前为止)判定用现在完成时态,much(不可数)和nothing(什么都没有)都是跟动词单数的