问题

She was moving out of her oldapartment shesuddenly realized that the key to the new apartment wasn’t on her
A:was the problem; come up with
B:the problem was; come up with
C:the problem was; put up with
D: was the problem; put up with
B:the problem was; come up with
C:the problem was; put up with
D: was the problem; put up with
正确答案是: