Which of the Following Is a Disadvantage of Negative Advertisements

Which of the following is a disadvantage of negative advertisements?

A) The more negative the television advertisements, the less likely they are to get free media coverage.
B) Candidates and their campaign managers avoid negative advertisements because they do not help the candidates.
C) Extreme ads may create sympathy for the candidate being attacked rather than support for the attacker, particularly when the charges against the candidate being attacked are not credible.
D) They are less likely than positive ads to grab the viewers' attention and make an impression.
E) They are less likely to focus on substantive political issues, and thus they do a poorer job of informing the voters about important campaign issues than positive ads do.