单选题_______ made me angry&nbs

问题补充：

单选题_______mademeangrywasthatitnever______herthatherparentsmightbeworried.A.That; happened toB.What; occurred toC.What; belonged toD.That; meant to

答案：

B解析what引导的主语从句, what在句中作主语; occur to sb被某人想起或想到, it为形式主语, 真正的主语是that从句。