单选题 Mr. and Mrs. Smith live at home with their two children. They are a typical example of a modern ______ family.
A. extended B. dink C. compact D. nuclear

【正确答案】 D
【答案解析】nuclear family小家庭;三口之家。extended family大家庭,这一般是指三代同堂的家庭。dink丁克一族;有双薪而没有小孩的家庭。compact紧凑的,简洁的。