that指代days,没有that后面的follow就缺主语啊～所以说一定要that
要多注意句子的成分的完整
定语从句
follow这里作不及动词
the days that followed =the following days
(B)B 项中的that是定语从句的关系代词,这里指代的是days the days that followed =the following days
that followed