Jake:I thought Jane’d be happy.
Cathy:Yeah,especially since she got a promotion recently.
Jake:Maybe it’s ( )

Jake:I thought Jane’d be happy.
Cathy:Yeah,especially since she got a promotion recently.
Jake:Maybe it’s ( )

A.something she’d like to keep secret.

B.what she usually does.

C.how she copes with something unpleasant.

D.some kind of personal problem.

正确答案是D