Can you tell me ?A. when you did it so wellB. when did you do it so wellC. how you did it

问题补充：

Can you tell me ?

A. when you did it so well

B. when did you do it so well

C. how you did it so well

D. how did you do it so well

答案：

A. when you did it so well

B. when did you do it so well

(答案→)C. how you did it so well

D. how did you do it so well

解析：句意：你能告诉我你是怎么把它做得那么好的？宾语从句中要用陈述句的语序，通过句意可知选C.