___ the poem for a second time, the meaning will become clear to you.

A．While reading

B．If reading

C．When read

D．When you read

下列行为中计征契税的有( )。

A．以抵债方式取得土地使用权

B．以相等价格交换房屋

C．以划拨方式取得土地使用权

D．转移农村集体土地承包经营权