【题目】The man didn’t know the thief broke into the house and stole all his valuable things.
A. it was when that B. when was it that
C. that it was when D. when it was that
在线课程【答案】D
【解析】
试题分析：考查强调句与宾语从句； 句意：主人还不知道是谁闯入他的房子，偷走了珍贵的珠宝。Know后面接的是宾语从句，宾语从句是强调句的特殊问句，因为是对主语提问 ，用who引导疑问句，而且因为是宾语从句，所以语序应该是陈述句语序，故选D项。