Which of the Following Is NOT a Major Issue Marketers

Which of the following is NOT a major issue marketers must deal with concerning the Internet's role in information search and decision making?

A) How can they get more consumers to use the Internet instead of seeking information from salespeople?
B) How can they drive their information to consumers?
C) How can they drive consumers to their information?
D) How (if at all) can online selling be utilized or integrated with existing channels?
E) All of the above are major issues marketers must deal with.