In the past 5 years a great deal of money _____ improving the environment of the

题型：不详难度：来源：

In the past 5 years a great deal of money _____ improving the environment of the school.

A．is spent

B．has been spent

C．was spent

D．had been spent

答案

B

解析

考查时态。句意：在过去五年中大量的资金被投入改善学校的环境上。结合语境可知本句描述的是现在已经完成的动作，故用现在完成时态。选B。