No regular advertiser dare produce anything that fails to stick to the _______ of his advertisement.

A．situation

B．level

C．text

D．promise

下列属于关税税种的是( )。

A．进口税、山口税

B．财政关税、保护关税

C．报复性关税、反倾销关税

D．出口退税

E．营业税、特别消费税