[单项选择]Insurance premiums do not become too high because ______.
A. not many people suffer loss B. they are fixed according to how likely the risk of loss is to happen C. not many people insure themselves D. insurance companies compete with each other
参考答案:D 答案解析:[精解] 题干意为“保险费不会很高是因为…”。该题为推理题。由第三段第二句“If companies fix their premiums too high,there will…”可以看出如果有公司