I don't like apples_____pears.I don't like apples,____I like pears very much.

问题描述:

I don't like apples_____pears.I don't like apples,____I like pears very much.
为什么第一个空填or不填and?
A or;but B and;and C and ;but

I don't like apples__or___pears.I don't like apples,__but__I like pears very much.
A or;but B and;and C and ;but
否定句用or联接.
我是从事英语的,不明再问.