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

题目

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.

答案

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