The driver of the red car() when a black one came up very quickly_英语解答

The driver of the red car() when a black one came up very quickly. A was just starting
B has just started Cwouldjuststartout Dis just startingout

人气：374 ℃　时间：2019-08-21 22:09:22

解答

选A 结构是 be doing sth...when.
译为“正在做某事,突然...”