The First Time That Yvonne Tried Yogurt She Was 7

Multiple Choice

The first time that Yvonne tried yogurt she was 7 years old,and she remembers thinking that it was a very unusual flavour,both sour and creamy.Shortly after that she became violently ill to her stomach.To this day,Yvonne can't even be near anyone who is eating yogurt because the smell alone will make her gag.What is so unique about this type of classical conditioning?

A) It was the first type of classical conditioning examined by Pavlov with his dogs.
B) It doesn't require a salient CS or US for conditioning to occur.
C) Conditioning occurs with a long CS-US interval and just one pairing.
D) It is a combination of classical and operant conditioning.