Amy Spent Hours Looking at Ratings, Reviews, and Recommendations Before

Multiple Choice

Amy spent hours looking at ratings, reviews, and recommendations before she bought her new mattress. After the first night, she realized it was definitely not the right mattress for her and she called the store to return it. Why didn't the ratings, reviews, and recommendations help Amy in this purchase?

A) People really didn't post their honest opinions
B) Most of the reviews were paid-for reviews.
C) Not everyone has the same expectations from a mattress.
D) The data was out of date.