I'm not 100% sure but I think it's a. Hope that helps.
Answer: 1.) D. 2.) D. 3.) A.
Explanation: 1.) When you feel hungry, Your body reacts because it is you needing the nutrients and protein and just the hunger to go away. Your body has systems that also control different things including your appetite.
2.) What you put in your body balances out when you exercise and burn the carbs and lose the calories.
3.) There is a borderline when it comes to obese. Obesity is the effect of eating way more than usual and not exercising and not getting blood pumping throughout your body regularly each day.
Answer:
personally i'd turn down the offer.
Say that you dont think you can make it and 10 is pretty late.
if you wanna take the offer.
Say something like, That sounds amazing ill meet you there.