My aunt has a .
A. five-years-old kid
B. five-year old kid
C. five-year-old kid
D. five year old kid
网友回答
A. five-years-old kid
B. five-year old kid
(答案→)C. five-year-old kid
D. five year old kid
解析：英语中几个单词可以由连字符连接起来表达一个类似形容词的意思，其中每个单词用单数形式，故选C，我婶婶有一个五岁的孩子。