the man was to make some reply______his friend when he entered the room again.A.for defence of B.in defence of C.with defence of D.at defence of个人认为是B.

the man was to make some reply______his friend when he entered the room again.A.for defence of B.in defence of C.with defence of D.at defence of个人认为是B.
the man was to make some reply______his friend when he entered the room again.
A.for defence of B.in defence of C.with defence of D.at defence of
个人认为是B.

the man was to make some reply______his friend when he entered the room again.A.for defence of B.in defence of C.with defence of D.at defence of个人认为是B.
B 保护,防护；为……辩护
我也觉得应该是选择B 当他再次进入那个屋子的时候,那个人要进行答辩,为他的朋友辩护.

对的，in defence of sb 意为为某人辩护或是 维护等意思