－When did you today?－At 8:00.A. started reading B. started readC. start readingD. start r

问题补充：

－When did you today?－At 8:00.

A. started reading

B. started read

C. start reading

D. start read

答案：

A. started reading

B. started read

(答案→)C. start reading

D. start read

解析：根据did后面应跟动词原形的用法，应该将AB排除；start“开始”后面应用动词不定式或动名词。所以本题选C。