He will send you a book for 20 yuan, postage ________．

He will send you a book for 20 yuan, postage ________．

A.included

B.including

C.includes

D.is included

答案及解析： A

解析：

20块钱里面包括邮资，故postage与include之间是被动关系；

后半句也可写作：including postage。