he has a very quick -----He is very clever A idea

问题补充：

he has a very quick -----He is very clever A idea B mind Cact D sound选哪一个为什么,A 和B 都有主意的意思

答案：

答案：Bidea 表示“主意,想法”,而mind 表示“头脑,智力”.

======以下答案可供参考======

供参考答案1:

B mind---------常见搭配

供参考答案2:

C