【题目】Only _____ as an interviewer _____ how important it was to practice speaking English.
A.when did I work; realized
B.when did I work; did I realize
C.when I worked; did I realized
D.when I worked; did I realize

【答案】D
【解析】考查倒装句。Only修饰的状语置于句首，主句倒装，从句不倒装。故选D。