What Does Research Suggest as a Reason Why Dieting Causes

What does research suggest as a reason why dieting causes weight gain?

A) People tend not to be aware of appropriate dieting strategies.
B) Repeated cycles of dieting seem to produce stress-related withdrawal symptoms in the brain.
C) Limiting and controlling food is too difficult for most people.
D) Individuals are unaware of how many calories are in the foods they ingest.