For question 1, I believe it is B.
For question 2, I think it is B too.
I might get this wrong tho.
1. It was the past. Perhaps they were younger when they were on social media.
2. It is none of their business. Whatever goes on in their social/private life shouldn’t affect them.
I’m not so sure about a 3rd one, but that’s all I can think of :’)
No Fear Shakespeare: Romeo and Juliet: Act 1
Explanation:
how their emotions are and their physical capabilities