Which of the Following Is True About Zapping

Which of the following is true about zapping?

A) Zapping occurs only with radio stations.
B) Zapping occurs when viewers fast-forward through commercials as they play back a previously recorded program.
C) Zapping has reduced due to the introduction of remote controls for television sets.
D) Zapping has also been fueled by the 24-hour continuous-format programming on cable channels.
E) Zapping is synonymous with zipping.