--- What did John ask you just now?
--- He wanted to know how long _________ when I reached the cinemaA.had the film been onB.the film had startedC.the film had lastedD.had the film ended
网友回答
C解析从句要用陈述语序，又因为句中有how long所以动词应该用延续性动词，选C。 “约翰刚才叫你干什么”“他想知道当我到达影院时电影演了多长时间了。