His parents don't agree with each other ___ some ways.A atB onC inD by

His parents don't agree with each other ___ some ways.A atB onC inD by
His parents don't agree with each other ___ some ways.
A at
B on
C in
D by

His parents don't agree with each other ___ some ways.A atB onC inD by
C
in some way
在某些方面；在某种程度上

c
是固定用法 以.....方式

C in some ways 固定词组

C

在某些方面他的父母互相不认同。
C 在某方面，固定搭配