—Whatwereyoudoing　　　　　itwasraining?—Iwasreadingabook.A....

问题详情：

—What were you doing　　　　　it was raining?

—I was reading a book.

A. before           B. if               C. while            D. after

【回答】

选C。考查连词辨析。while引导时间状语从句通常用进行时态, 表示在主句的动作发生的同时, 从句的动作也正在发生, 根据主句中were. . . doing, 可知用的是过去进行时, 故选C。

知识点：连词

题型：选择题