The boy ( ) I talked with just now is my best friend.

问题描述:

The boy ( ) I talked with just now is my best friend.
A which
B that
C whose
D where
说下为什么

B
boy是表示人的先行词,关系代词不能用where或which,而whose是表所属关系的,不能单独做从句的主语,而that可以做从句的主语