题目：30． Which is right according to the passage
A． People have too much time to talk with each other．
B． Life now is very simple．
C． Some families have become single-parent families．
D． Lots of mothers stay at home and look after their children．
喵查答案：C
30.C【解析】根据文章的第二段可知；许多家庭解体，即变成了单亲家庭，故选c。
