Which of the Following Statements Regarding Transit Advertising Is Most

Which of the following statements regarding transit advertising is most accurate?

A) The growth in mass transit is declining in major cities.
B) In heavy travel times,when audiences are the largest,transit advertising is not conducive to reading advertising copy.
C) Selectivity in transit advertising is unavailable to advertisers who want to buy space by neighborhood or bus route.
D) Transit advertising is creating safety hazards as people are busy reading the copy and not paying attention while driving.
E) Transit advertising is a form of indoor advertising in stadiums,buses,etc.