most parents care about is to provide the best education for their children.A. WhatB. That

问题补充：

most parents care about is to provide the best education for their children.

A. What

B. That

C. How

D. Whether

答案：

(答案→)A. What

B. That

C. How

D. Whether

解析：考查从句关系词的选择。根据句子结构可知，most parents care about 是主语从句，从句中缺少care about的宾语，所以选择what。 That在名词性从句中不做成分。 How做状语 whether不做成分，意为是否