The owner still doesn’t know broke into the house and stole the money.A. when it was that

问题补充：

The owner still doesn’t know broke into the house and stole the money.

A. when it was that

B. who it was that

C. who was it that

D. when was it that

答案：

A. when it was that

(答案→)B. who it was that

C. who was it that

D. when was it that

解析：句意：主人还不知道是谁闯入他的房子，偷走了钱。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B。