Question

I was given three books on cooking, the first __________ I really enjoyed.

A．of that	B．of which
C．that	D．which

Answer 1

B。

the first of which相当于and the first of the three books，即指这三本书中的第一本。又如：I met the fruit-pickers, several of whom ever university students. 我碰到那些摘水果的人，其中有好几个是大学生。