Employers' attitudes to their workers are affected by ______.

A．social life provides an effective cure for illness.
B．being sociable helps improve one's quality of life.
C．women benefit more than men from marriage.
D．marriage contributes a great deal to longevity.

A．older men should quit smoking to stay healthy.
B．marriage can help make up for ill health.
C．the married are happier than the unmarried.
D．unmarried people are likely to suffer in later lif