When a Food Is Paired with a Later Illness, People

When a food is paired with a later illness, people often develop an aversion to that food. Which is true about that aversion?

A) It will develop only if it was actually the food that made you ill, and you know it was the food that made you ill.
B) It will develop only if it was actually the food that made you ill, even if you thought something else caused the illness.
C) It is most likely to occur if you are unfamiliar with the food that preceded the illness.
D) It is most likely to occur with foods you eat often but think taste bland.