Mallory and Joan Both Became Sick After Sharing a Dish

Multiple Choice

Mallory and Joan both became sick after sharing a dish at Joan's favorite restaurant. This was Mallory's first time eating the dish, but Joan had eaten it dozens of times. Mallory developed a conditioned taste aversion to the food. Joan did not. Which of the following terms is the most likely explanation for why Joan didn't develop a conditioned taste aversion?

A) US-pre-exposure effect
B) Habituation
C) CS-pre-exposure effect
D) Latent inhibition