made me angry was that it never her that her parents might be worried.
A. That; happened to
B. What; occurred to
C. What; belonged to
D. That; meant to
网友回答
A. That; happened to
(答案→)B. What; occurred to
C. What; belonged to
D. That; meant to
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。