问题详情

The main idea of the last paragraph is ______.
A．that the insurance company is greedy of profit
B．that the insurance company makes large sum of money every week
C．that the insurance company makes a great profit by investing its money in different item
D．to show the insurance company makes use of its income and the reason why it should do so请帮忙给出正确答案和分析，谢谢！