delighted me most was my son was admitted to Beijing University.
A. That, what
B. That , that
C. What, that
D. What, what
网友回答
A. That, what
B. That , that
(答案→)C. What, that
D. What, what
解析：考查名词性从句。第一空what引导主语从句what delighted me most，在句中做主语；第二空that引导表语从句，在句中不充当任何成分，只起引导作用。句意：最让我开心的是我的儿子被北大录取了。故C正确。