--The situation was in a mess.
--What a pity!It__________ in a dramatically different way.

2023-08-04

A.should develop
B.would develop
C.must have developed
D.could have developed

参考答案:D

考查情态动词。前旬说“情况现在一团糟”。后句说“多遗憾!这件事本来可以以截然不同的方式发展的”。could have done"本可以,本能够”,表示对过去的推测,故选D。