----How do you find his advice?--What he said sounded I think.A. quite perfectlyB. ni

问题补充：

----How do you find his advice? ----What he said sounded , I think.

A. quite perfectly

B. nice and helpful

C. very clearly

D. polite or friend

答案：

A. quite perfectly

(答案→)B. nice and helpful

C. very clearly

D. polite or friend

解析：sound 是联系动词，后面加形容词作表语。