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:考查主语从句:句意:大多数父母关心的是给孩子提供最好的教育。What引导的是主语从句,主语从句中缺少宾语,用what,that连接主语从句的时候,只是连接的作用,不做成分,C怎样,D是否,不符合句意。选A。