A、It was not an easy exam for her. B、She didn’t study hard for the exam. C、There was not enough time to prepare for the exam. D、

W：How did you do on the exam?
M：Not very well, I’m afraid. But I’m at fault. If I had only studied harder and played fewer computer games I think I would have done a bit better.
W：Well, I didn’t do well either and I did study hard. Unlike you, I didn’t play any computer games nor did I go out all weekend. It was just a tough exam. I think that even if I had studied even harder, it would not have made much of a difference.
Q：Why didn’t the woman did well on the exam?