When asked about this major traffic accident, the policeman said it should not have if the driver hadn’t been speeding.
A. e out
B. e about
C. e across
D. happen
网友回答
A. e out
(答案→)B. e about
C. e across
D. happen
解析：考查动词短语辨析。should have后接过去分词，排除D；e out“出来，出版”；e across“偶遇”；e about“发生”。句意“如果司机不加速的话就不会发生了”。故选B。