单选题They finally managed to&n

问题补充：

单选题Theyfinallymanagedtoclimbtothetop,but＿＿then.A.went the children down the hillB.down the hill did the children goC.down the hill went the childrenD.down the hill the children went

答案：

C解析介词短语位于句首，且谓语为不及物动词的句子，句子的主谓全部倒装。