问到英语语法问题.2.One of the most widely discussed problems of rece
问到英语语法问题. 2.One of the most widely discussed problems of recent years has centered around _____ has come to be called the "gneration gap".(选B,为什么不是选C?) A. that B. what C. which D. how ”可以用来引导宾语从句的是what “,that就不可以了吗??