问题
选择题
The tour pal lost his way in the mountain; ________ made things worse was that it began to rain.
A．that
B．what
C．which
D．who
答案
答案：B
题目分析：考查名词性从句。分析句子结构可知，本句包含两个并列分句。而第二个分句的主语为what引导的主语从句，what在主语从句中作主语。句意：这个驴友在山里迷路了。更糟糕的是开始下雨了。故B正确。