Which Situation Describes a Feedforward Mechanism

Multiple Choice

Which situation describes a feedforward mechanism?

A) Blood glucose returns toward normal an hour after a meal.
B) The smell of rotten food on a plate triggers the vomit reflex.
C) A drop in core body temperature triggers shivering.
D) An increase in core body temperature stimulates sweating.
E) Food in the stomach triggers the production of stomach acid.