题目内容：

you should think over it ____ you make your own decision
A.before
B.after
C.though
D.until
为什么不选D

优质解答

在你做决定之前,你应该仔细思考. 既: 三思而后行所以 A 正确until 1.直到...时,到...为止Will this fish keep until tomorrow? 这鱼能搁到明天吗? 2.(用于否定句)在...之前,直到...(才)She didn't go to bed until ...