单选题Theboyiscleverinstudy,but____

单选题 The boy is clever in study, but ________, he is careless and often makes foolish mistakes．A.in other wordsB.at the same timeC.on his ownD.on the contrary

B解析考查词组辨析。男孩在学习方面很聪明，但“与此同时”他非常粗心，经常犯一些愚蠢的错误。D项与but意思重复，应排除。

和我的回答一样，看来我也对了