16. Because it rained pretty hard all of a sudden, _____ was canceled at the last minute.
(A) and the picnic
(B) or the picnic
(C) so the picnic
(D) the picnic
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統計: A(11), B(3), C(73), D(180), E(0) #3017844
統計: A(11), B(3), C(73), D(180), E(0) #3017844