Her sadness was obvious, but she believed that her feeling of depression was ______.

A．He was a fiction writer.
B．He edited the book Power and Prosperity.
C．He taught economics at the University of Maryland.
D．He was against the ownership of private property.

A．is to send them to clinics
B．offers recapture of earlier experiences
C．is in the provision of clockwork toys and trains
D．is to capture them before they are sufficiently experienced