The teacher asked the children to write ________ line but Tom just wrote very carelessly ________ lines.[       ]

A. other every; few every

B. other every; every a few

C. every other; every few

D. every other; every a few

霍曼斯的交换理论是一种从( )出发的微观社会学理论。

A．商品交换

B．个人心理

C．对等原则

D．交换行为