快来填一填。

（　）征（　）战　　若有（　）（　）　　昂（　）挺（　）

（　）（　）欲试　　久经（　）（　）　　（　）（　）无双

The police found that the flat ______ and a lot of things had disappeared.

A．has been broken into

B．has broken into

C．had broken into

D．had been broken into