There ______ only a table, four chairs and a small bed in the room.

A．his silly action to kill himself
B．his 10th failure to hit the target
C．his sound of shot to astonish the officer
D．that he killed himself behind the wall

A．he didn't know how to use a gun
B．be wasn't a good soldier
C．he was poor at shooting
D．he could not do anything well