think)-I think you might have got drunk at the party.-Well.I

C
问句时虚拟语气,完整的应为sb had done sth,sb would/should/might have done sth,
意思是：某人做了某事,他本来应该怎么怎么样
例如：he had drunk a lot last night,he should have staied here .
但是,当回忆或者重新提起那件事时,不再假设,所以用一般的过去时
此处mostly 显然意思不如almost 贴切,故选择c