45. A: Do you know why she made such a stupid decision?
B: ______ I have been asking myself the same question.
(A) It beats me.
(B) Certainly!
(C) Thankfully!
(D) Sounds great.
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統計: A(39), B(10), C(0), D(3), E(0) #3492328
統計: A(39), B(10), C(0), D(3), E(0) #3492328