求CR高手解答！！！

hhua77

Which of the following most logically completes the passage?

It is generally believed that people receiving frequent medical checkups are likely to need hospitalization less frequently than they would otherwise; after all, many things can be done following a checkup to prevent problems that, if ignored, might become acute and then require hospitalization. But for people with chronic illnesses, frequent medical checkups are likely to lead to more frequent hospitalization since __________.
A the recommended treatments for complications of many chronic illnesses involve hospitalization even if those complications are detected while barely noticeable

B medical checkups sometimes do not reveal early symptoms of those chronic illnesses that are best treated in a hospital

C the average length of a hospital stay is the same for those who receive frequent checkups as for those who do not

D people with chronic illnesses generally receive medical checkups more frequently than people who are not chronically ill

E the average length of a hospital stay for people with a chronic illness tends to increase as the illness progresses

答案是A 看不怎么懂呀~谢谢！

Xidong

楼上解释好好。

Bradz

题干里面先讲了普通人多做体检可以让一些疾病在刚刚有征兆的时候就采取措施抑制，不让病情发展起来，就免得住院了。

问题是但是对于有慢性病的人，为什么多做体检，反而更容易住院？

A的解释是，对于有慢性病的人，一旦发现有由慢性病诱发的并发症，即使刚刚萌芽，医院建议的治疗措施也是需要住院的。说明，医生对普通人和有慢性病的人的处理方式是不一样的。普通人，小病小灾，用些预防措施就好，大病才住院；慢性病人，有点小病，医生就建议住院观察。