Jetta was at her favorite coffee shop reading her psychology textbook. She was so engrossed in the material that she did not see her friend Willy coming up behind her. Willy approached her chair and tapped her back. Though she never learned to respond this way, Jetta jumped in surprise because Willy’s tap had startled her. Which of the following would be considered the unconditioned response in this scenario?A) Jetta's jump
B) the coffee shop
C) chatting with Willy
D) Willy
E) reading her textbook