Refer to the Passage Below to Answer the Following Questions

Refer to the passage below to answer the following questions.
Just For Me is a line of hair care products for pre-teenage girls, that is, girls between the ages of eight and twelve. This is the age in which young girls start to care about their looks and want to make their own decisions regarding their grooming. The manufacturer of this brand decided to use television advertising to inform and persuade girls about this line of products.
-Hilary Duff, a singer and actress popular with the target market, appears in the commercial claiming the benefits of the product. Duff is well liked, respected, and believable to this target market. The ads were very successful. What is the most likely reason for the success of this campaign?

A) The target market needed this product.
B) The use of Hilary Duff led to cognitive learning in members of the target market.
C) Hilary Duff was a credible source to deliver this message to this target audience.
D) The use of Hilary Duff was a successful bandwagon appeal.
E) This was a low-involvement product.