Question

________ I explained on the phone，your request will be considered at the next meeting.

A．When	B．After
C．As	D．Which

Answer 1

　C
解析　as引导非限制性定语从句，可以放在主句之前，指代后面整个主句的内容。which引导的非限制性定语从句不能放在句首。