He said he would come to see the film, and he _________ arrive before the lights _________．

A.was supposed to; went out

B.must; go out

C.should; turn off

D.have to; went out

答案及解析： A

解析：

B项go out时态不对，C项turn off要用被动语态，D项have to要用一般过去时。be supposed to do表示“按照计划，应该做”，go out意为“灯熄灭”；根据题意应选A。