一道关于表语从句的题目,请懂此语法点的老师赐教：

1个回答

____ she couldn’t understand was ____ fewer and fewer students showed interest in her lessons. (2000上海）A. What; why B. That; what C. What; because D. Why; that[答案] A 疑问是：A选项第二个空如果换...