Question

During the days ___,he worked as a servant at the Browns.

During the days ___,he worked as a servant at the Browns.
A.followed
B.following
C.to follow
D.that followed
答案是d
为什么？
请详细说明每个选项。

Answer 1

That 引导定语从句，followed 修饰the days, that 不能省略，排除A.
如果是B，应该是During the following days，或者During the days that is following.
C, to follow 是动词，用在这里说不通

Answer 2

during the following days.
during the days that followed.固定用法，不用解释。

Answer 3

B和D貌似都对，请高人指点。