Two policeman happened _____ the traffic at the crossroads when h_英语解答

Two policeman happened _____ the traffic at the crossroads when his car was hit by a drunk driver.
A、to direct B、to directing C、 to be directing D、to be directed

人气：360 ℃　时间：2019-10-26 14:16:22

解答

C, 为最佳答案, 用了动词不定式的进行式准确体现了当时交警正在交叉路口指挥交通