The Enlightenment Movement brought about a revival of interest in the old classical works. This tendency is known as______.

A．No one can stay on the same job for long.
B．No prescription is effective in relieving stress.
C．People have to get married someday.
D．You could be missing opportunities as well.

A．widespread concern over its harmful effects
B．great panic over the mental disorder it could cause
C．an intensive research into stress-related illnesses
D．popular avoidance of stressful jobs