Li Gang, a police officer, said that little about what his son he know the moment all the

Li Gang, a police officer, said that little about what his son he know the moment all the media reported the traffic accident in Hebei University．
A. did do; happened
B. would do; happening
C. could do; happened
D. did did; happening

A. did do; happenedB. would do; happeningC. could do; happened (答案→)D. did did; happening解析：考查时态和分词，由said可以知道是一般过去时，所以是did，what his son did意思“他的儿子所做的”，分词 happening做名词the traffic accident的后置定语，名词the traffic accident和动词happen是主谓关系，所以用现在分词做后置定语

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