—The situation was in a mess.
—What a pity! It ______ in a dramatically different way.
A、
should develop
B、
would develop
C、
must have developed
D、
could have developed
【正确答案】
D
【答案解析】
前者说：“情况现在一团糟。”后者说：“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。
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