Every Week, Jade Spends Her Allowance on ½ Pound of Sour

Multiple Choice

Every week, Jade spends her allowance on ½ pound of sour lemon gummy candies even though they always make her mouth water. One day, as she is walking down the street, Jade sees a girl carrying a little white bag that looks like a candy shop bag! Jade notices that her mouth is puckering and overflowing with saliva. In this example, the unconditioned stimulus is the:

A) little white bag.
B) allowance money.
C) puckering and saliva.
D) sour lemon gummy candy.