The author thinks that______.A．medical decisions for the old people should be left to the

The author thinks that______.

A．medical decisions for the old people should be left to the doctors

B．old people can enjoy a happy life only if they are very rich

C．the opinion that we should try every means possible to save old people is doubtful

D．it is always right to treat old people and push off death

请帮忙给出正确答案和分析，谢谢！