Onlyaftertheyhaddiscussedthematterforseveralhours

问题详情：

Only after they had discussed the matter for several hours________ a decision.

A．they reached       

B．did they reach

C．they reach         

D．do they reach

【回答】

B only后跟状语放在句首，主句应该用部分倒装。通过had discussed可知主句时态应该用过去式。句意：他们讨论了这件事情几个小时之后才达成了一项决议。故选B项。

知识点：倒装与省略

题型：选择题