Question

【题目】When I got on the bus, I I had left my wallet at home.

A. was realizing

B. realized

C. have realized

D. would realize

Answer 1

【答案】B

【解析】句意为“当我上了车后，我才意识到我把钱包落在家里了。”I had left my wallet at home发生在realized之前，前一句When I got on the bus给出的时间起点是过去时，故选B。