You will see what great significance the computers we own can be___every time we use them.
问题描述：
You will see what great significance the computers we own can be___every time we use them.
A at
B of
C for
D on
为什么用of
答
of 和前面的 great significance 一起构成介词短语
of great significance =very significantwhat是指代那部分内容呢what 是感叹词，“多么”的意思，修饰great significance 这个名词词组， 引导宾语从句，