-Do you know that kid?-you mean ____eight-year-old boy,he's my cousin

问题描述:

-Do you know that kid?-you mean ____eight-year-old boy,he's my cousin
A a B an C the D/
为什么

C
请及时采纳,多谢!解释一下,为什么前文说that kid,后面再提到的时候就是已知信息了,所以用定冠词。为什么不能用an