Which of the Following Statements About Children's Television Watching and Computer

Which of the following statements about children's television watching and computer use is true?

A) Televison watching and computer use are both associated with increased childhood obesity.
B) Televison watching and computer use are both associated with poorer social skills and interactions.
C) Computer use but not television watching is associated with decreased social skills.
D) Television viewing but not computer use is associated with increased childhood obesity.