问题
单项选择题
What happened to the Nuclear Family in the middle of the twentieth century
A．It changed greatly.
B．It was criticized.
C．It remained a normal structure.
D．It was lost.
答案
参考答案：A
解析：[分析] 细节题型。 答案出自第二段第一句...the structure of that ideal family was being altered radically。