A．Using the Net actually appeared to cause the bad feelings.
B．Researchers are puzzling over the results.
C．Researchers had expected that the Internet would prove socially healthier than television.
D．The Internet has no influence on family relationship.

A．The woman is a close friend of the man.
B．The woman has been working too hard.
C．The woman is seeing a doctor.
D．The woman is tired of her work.