The fact that many children have TV sets in their bedrooms effectively prevents them from ______ by their parents.

A．To the science museum.
B．To the art museum.
C．To the state museum.
D．To the history museum.

A．Requesting one’s business card directly.
B．Accepting one’s card but not continuing contact with him.
C．Putting one’s business card in the card file.
D．Refusing a request for your business card directly.