夏、商、西周区分尊卑等级是按[ ]

A．血缘亲疏关系  

B．地域关系  

C．权利大小关系  

D．能力大小关系

The two men who had drunk too much stood ________ at each other on the road as if they were very angry with each other.

A．staring

B．laughing

C．glaring

D．smiling