单选题 In the doctor's view, ______.

A、 there are both advantages and disadvantages to being rich
B、 rich children usually have little confidence in themselves
C、 traveling a lot will be beneficial to children
D、 rich kids are often short of money because of their life of luxury

【正确答案】 A

【答案解析】第二段讲好处，第三四段讲坏处。选A正确。