19. Kimoko: Have you ever tried stinky tofu? Ted: Of course. Kimoko: _______________ Ted: Yesterday.
(A) When did you last try it?
(B) How did you try it?
(C) Where did you last try it?
(D) What did you try? ˉ

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統計： A(821), B(60), C(55), D(38), E(0) #587052