【单选题】

Holistic medicine is regarding the person as (21)____________, a mental or emotional person, and also (22) ____________.Holistic medicine means looking at the body (23)_____________rather than looking at (24)____________of the body.

A、people only used to pay the doctor while they were not well
B．people paid the doctor when they were kept well
C．people used to paid the doctor if they got sick