20A: Could you repeat that answer again please?
B: Yes. The correct answer is "B".A: Did you say "B" or "D"?
B:__________
(A)"B" as in "Boy".
(B)"B" and "D" look similar.
(C)What I said sounded like "T".
(D)What did you see?
(E)Do you have any smelling problem?
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統計: A(16), B(2), C(0), D(0), E(0) #3110014
統計: A(16), B(2), C(0), D(0), E(0) #3110014