单选题 The second paragraph of the passage suggests ______.

A、 one should leave his grown-up children to live on their own as early as possible
B、 too much concern for grown-up children may likely make you a burden to them
C、 nowadays grown-up children are usually indifferent to their parents and grandparents
D、 modem grown-up children want to live a different life because time has changed

【正确答案】 B

【答案解析】细节题参见第二段第二句。A项为强干扰项，但文中看不到as early as possible之意。