题目

题型：不详难度：来源：

The project ______ last month but unfortunately it had to be prolonged because of the financial problem.

A．needn’t have been finished

B．shouldn’t have finished

C．could have been finished

D．must have finished

答案

C

解析

试题分析：句意：这个项目本来是可以在上个月完成，但是不幸的是，因为财政问题，它不得不被延期。从but unfortunately it had to be prolonged because of the financial problem.可知这是对过去的虚拟，用could have done表示“本可以做却没有做”，所以选C.