Question

【题目】—Why were you so late for work today?

— __________ to the office was very slow this morning because of the traffic.

A. Driving B. I drove

C. To drive D. That I drove

Answer 1

【答案】A

【解析】考查非谓语动词作主语。本题中不是表示目的，排除C，题目中缺少主语，所以选择doing。