Dimitri and Rita eat some donuts for breakfast and then spend the morning at an amusement park. After a few hours of riding the Super Looper Double Twist Dimitri feels nauseous and regurgitates the donuts. Rita is fine, but Dimitri has developed a ________, and the next time they stop for donuts, Dimitri immediately feels ill.

A. taste aversion
B. taste response
C. unconditioned aversion
D. unconditioned respons