I think we have learned a lot about （） this term选哪个 为什么

题目

I think we have learned a lot about （） this term选哪个 为什么
I think we have learned a lot about （） this term
A one's other
B one after another
C one another
D another one

答案

C
one another=each other彼此,互相
译文参考：我认为我们这个学期彼此之间有了很多的了解.
不明白的再问哟,请及时采纳,多谢!