she still remembers the days ___ she was in the counteyside ____ she was young.

问题描述:

she still remembers the days ___ she was in the counteyside ____ she was young.
a.as that
b.which when
c.when as
d.during which that

b.which when
在她年轻的时候,她仍会记得她在乡村的那几天.
which修饰先行词the days