-- Why do you look so worried?
-- My puter broke down and my essay since.
A. has been left unfinished
B. has left to finish
C. was left to finish
D. had been left unfinished
网友回答
(答案→)A. has been left unfinished
B. has left to finish
C. was left to finish
D. had been left unfinished
解析：考查时态，句意：你为什么看起来如此担心：——我的电脑崩溃了，我的论文后来就一直没有完成。结合句意可知下文描述的是现在已经完成的动作故用完成时态，论文以被遗留的对象故用被动语态。选项BC语义不符，故选A。