Though the conflict of resources still exists in nowadays world like before, people are more ________

and there are other solutions to settle down anxiety and conflicts. [      ]

A. knowledgeable  

B. changeable

C. reasonable 

D. agreeable

人际交往按照( )，可分为宏观交往和微观交往。

A．交往的形态
B．交往者的身份
C．交往的途径
D．信息传递方式