Which Piece of Evidence Is Contrary to the Stomach Contraction

Which piece of evidence is contrary to the stomach contraction hypothesis of hunger?

A) People who have had their stomachs removed still experience hunger.
B) Stomach contractions, which occur when our stomachs are empty, are correlated with hunger.
C) Stomach contractions occur around the time that we normally eat.
D) Many people skip meals, despite stomach contractions.