In Which of the Following Situations Would It Be Most

Multiple Choice

In which of the following situations would it be most difficult to change consumers' opinions about a product?

A) When these opinions are based on actual product consumption.
B) When these opinions are based on advertising.
C) When these opinions are based on what was learned about the product over the Internet.
D) When these opinions are based on what you heard from someone else.
E) It would be equally difficult to change consumers' opinions in each of these situations.