【题目】Only after I had got to the department store ______ that I had forgotten to take my purse with me.
A．I then realized B．did I realize
C．I did soon realized； D．have I realized
在线课程【答案】B
【解析】句意：只有在我到达百货公司后，我才发现忘了带钱包。only修饰after引导的时间状语从句，且位于句首，主句需用部分倒装语序，该主句中还有一个宾语从句，主句用一般过去时，宾语从句用过去完成时，故选B。