Which of the Following Is Evidence in Favor of the Existence

Which of the following is evidence in favor of the existence of a set point in body weight?

A) After certain kinds of brain damage, individuals gain weight.
B) Most people maintain a nearly steady body weight over a long time.
C) Most people are hungrier during the day than they are at night.
D) People eat more than they need when food tastes good and less than they need when it tastes bad.