I know some prices,but ____ the biggest painting over there.Have you any idea how much it costs?

题目

I know some prices,but ____ the biggest painting over there.Have you any idea how much it costs?
英语单选题
A：not of B:not that of C:that not if D:of that not
能说下选哪个么..为什么?

答案

首先,否定词not 要前置,只能在A：not of B:not that of 这两个答案中选.
其次,要特指那幅他不知道的画的价格,所以就只能选B:not that of