【单选题】

{{I}} Questions 1 to 5 are based on an interview.At the end of the interview you will be given 10 seconds to answer each of the following five questions. Now listen to the interview.{{/I}} According to Samantha Heller, people tend to eat milk chocolate because ______.

A、it is less bitter than dark chocolate.
B．it is more healthy than dark chocolate.
C．it has special flavor with many nutrients.
D．it is less expensive than dark chocolate.