Tony went to school yesterday,___he found there were no students there.

问题描述:

Tony went to school yesterday,___he found there were no students there.
A.and
B.or
C.but
D.so
请写明原因为什么要选这个答案

C
but表示转折,托尼昨天去学校了,但是他发现没有学生在那.