Asisoftenthecase,itisnotlong

問題詳情：

 As is often the case,it is not long ______ the honeymoon stage gives way to the second stage-“the withdrawal stage” excitement you felt before is gone and problems arise.

A. after      B. since      C. until       D. before

【回答】

D

知識點：連詞

題型：選擇題