治疗方案或卫生服务的投入是（）。

A.公共支付

B.实施周期

C.卫生资源

D.国民总收入

E.以上都不是

Wang Yaping is the first woman astronaut who taught lessons in space. Do you know _______?

A．where is she from

B．where does she come from

C．where she comes from

D．where he comes from