most parents care about is to provide the best education for their children.
A. What
B. That
C. How
D. Whether
网友回答
(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