I remember reading about the professor in __magazine.A.a some B.some of C.a certain D.certain of

问题描述:

I remember reading about the professor in __magazine.A.a some B.some of C.a certain D.certain of
选什么为什么?

C
a certain + 单数可数名词 表示“某一”
我记得我在【某本】杂志上看到过这位教授