Could you tell me the radio without help ?A. how did he mendB. what did he mendC. how he

问题补充：

Could you tell me the radio without help ?

A. how did he mend

B. what did he mend

C. how he mended

D. what he mended

答案：

A. how did he mend

B. what did he mend

(答案→)C. how he mended

D. what he mended

解析：英语宾语从句中一般为陈述语序。句意：你能告诉我在没有帮助的情况下，他如何修理这台收音机的吗？结合语境可知选C。