【单选题】Many doctors suspect that there may be some relationship between emotions and illness. However , they can not find a proof. It is until two decades ago when Louise Hay brings her books You Can Heal Yo...
A.
the connection of emotions and illness is first found among doctors.
B.
the doctors are not sure whether emotions influence illness.
C.
Louise Hay is an extraordinary doctor and she is widely accepted.
D.
Louise Hay solves many medical problems, so she is popular among doctors.