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Everythingseemedtogosmoothlyacarefulplanhadbeenmadebeforehand.A.thatB.asthoughC.evenifD.because

题目详情
Everything seemed to go smoothly ________ a careful plan had been made beforehand.
A.that
B.as though
C.even if
D.because
▼优质解答
答案和解析
答案D
两个分句之间应为因果关系.