以下各项中，( )是有关关税配额管理错误的表述。

A．在关税配额限额外按照配额外税率征税
B．与许可证实现限制的目的相比，关税配额是一种相对数量的限制
C．关税配额是对进口商品制定关税配额税率并规定该商品进口数量总额
D．在关税配额限额内按照关税税额征税

Multipurpose Internet Mail Extension (MIME) is a (71) document messaging standard in theInternet enviroment.With MIME，users can send (72) Email messages that include audio，video，graphices，and text to any other user of TC/IP network.Richtext information can also be (73) into messages.It defines the fonts，formats，and (74) features of a document sothe document can be easily (75) on many different types of systems.

A．color

B．size

C．design

D．layout