According to the passage, which of the following is true？A．The best medical care is key to

According to the passage, which of the following is true？

A．The best medical care is key to good health.

B．Good health depends on your own responsibility.

C．You can get good health by seeing a doctor after illness.

D．You are able to get good health at a drugstore.

请帮忙给出正确答案和分析，谢谢！