Question

14. Only when the final examination was coming   he had quite a lot to do.

A. he realized    B.  he had realized

C. did he realize  D.  had he realized

Answer 1

14.   C考查倒装句。句意：只有到期末考试快要来临的时候， 他才认识到他还有很多事情要做。此处"only+其所修饰的时间状语从句"前置，主句用部分倒装；时间状语从句的时态为一般过去时，故主句也应用一般过去时。故选C。