问题补充:
Mr. and Mrs. Green work in the hospital, but they have no children. So they belong to .
A. extended family
B. nuclear family
C. DINK family
D. celibatarianger
答案:
A. extended family
B. nuclear family
(答案→)C. DINK family
D. celibatarianger
解析:格林夫妇都有工作,都有收入,但没有孩子,我们通常在英文中称为丁克家族,DINK family表示此意,故选C。