题目内容：
M: That sweater is so unusual, and yet it looks familiar. Did I just see you wearing it yesterday?W: Well, not me. ______, and she is in your chemistry class.( )(本题2.0分)
A、 Jill must have been wearing it yesterday
B、 But she must be Jill
C、 But she wore the sweater for the first time yesterday
D、 But…see, it belongs to my roommate Jill
参考答案：