问题
选择题
______ made things worse, Peter said, was that his parents stopped supporting him in developing the “flying car”.
A．It
B．Which
C．As
D．What
答案
答案：D
题目分析：考查what引导的主语从句，what在主语从句中做主语，Peter said是插入语，句意：皮特说：使事情更糟糕的是父母不再支持他的飞车。选D。
点评：主语从句要分析句子成分，如果是完整的句子，就用that，如果缺少主语，宾语和表语就用what，固定词组要多记多背。