He trained hard in puzzle-guessing, a sort of children’s game, all year, _____ s

题型：不详难度：来源：

He trained hard in puzzle-guessing, a sort of children’s game, all year, _____ still failed to reach his best form in all the tests given to both adults and children.

A．Then

B．Thus

C．Therefore

D．Yet

答案

D

解析

连词辨析。　　A.那么，然后　  B.因此，从而；C.因此，所以；  D.但是，然而。句意：他整年刻苦练习猜谜游戏，一种儿童游戏，但是在所有给大人和孩子们的测试中他仍旧没有达到最佳状态。前后为转折关系，故选D。