【题目】 if I had arrived yesterday without letting you know beforehand?
A. Would you be surprised B. Were you surprised
C. Had you been surprised D. Would you have been surprised
在线课程【答案】D
【解析】考查虚拟语气。本句是由if引导的条件虚拟语气。从句用had + v- ed，主句用would + have done。句意：如果我昨天没有事先让你知道就到了，你会惊讶吗？故选D。