The taxi ______ out of the road and knocked into a truck on the other side.选C还是D?为什么?
问题描述：
The taxi ______ out of the road and knocked into a truck on the other side.选C还是D?为什么?
A.really runs B.does run C.did run D.ran really
答
选C,在肯定句中助动词加实义动词表示强调,而且这个句子的时态是过去时.那D答案为什么又不对呢？