When new information or experiences cause you to modify your existing schemes.
Stress is NOT always negative
Positive stress (A stress) can help motivate you
A walk fundraiser
Magazine
Ext. what are the choices
It is D, sharing appreciation for what is being said. Both A and B aren't crucial to being a good listener, in fact in practice they effectively draw attention to yourself, which would be fine if the question was regarding being a good conversationalist. Additionally, C is just completely irrelevant, that wouldn't even be a good conversation practice, let alone a trait important to listening.
Mint Gum has metanol in it which is like a cooling agent and it tricks your nerves into thinking its something cold like an ice cube in your mouth. And then you drink the water, and your brain thinks its extra cold and it just feels like you swallowed alot of ice.