Stomach Contractions (Hunger Pangs) May Not Be Necessary in the Perception

Stomach contractions (hunger pangs) may not be necessary in the perception of hunger because researchers found that

A) hunger is a physical process, and thus perception is notvolved.
B) people become hungry before stomach contractions start to happen.
C) humans continue to experience hunger even when they have had their stomach removed
D) hunger pangs are not real.