A．Physical actions on land and in the oceans.
B．Physical actions in the atmosphere.
C．Physical actions in the space.
D．Physical actions in the groundwater.

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.