Which of the Following May Be Effective in Getting Viewers

Which of the following may be effective in getting viewers to stop fast- forwarding past television ads recorded on their VCR tapes:

A) using enticing or novel commercials
B) use slow- motion filming to make commercials look real
C) keep commercials short, 10 seconds or less, so that they cannot be electronically identified
D) use a preventive or override command in ads
E) decrease ads' sound level below that of adjacent programs