Question

When_________why he was late, he made no answer.

A．questioned	B．questioning
C．asking questions	D．question

Answer 1

A

试题分析：考查状语从句的省略：句意：当被问及为什么会迟到，他没有回答。这是省略句，原句是when he was questioned….此时when从句中的主语和主句中的主语一致。所以省略了主语和和be动词，此处为“when+过去分词”结构，选A。