问题：
[单选题] Text 2 No wonder they are called"patients".When people enter the health-care systems of rich countries today,they know what they will get:prodding doctors,endless tests,rising costs and,above all,long
A、The developers.
B、The wealthy.
C、The govemments.
D、The regulators.
参考答案：
B、The wealthy.
● 参考解析
