问题
单项选择题
In the middle of the twentieth century, people in North America ______.
A．were tired of the Nuclear Family
B．wanted to give up the Nuclear Family
C．believed that the Nuclear Family was hopeful
D．were indifferent to the Nuclear Family
答案
参考答案：C
解析：[分析] 细节题型。 参看第二段第一句...it was being touted as the structure to be aimed for．