C sending harassing emails
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 :’)
Answer:
Tuned means:
Explanation:
1. Adjust a musical instrument to the correct or uniform pitch
2. Adjust something such as a radio or television to the right signal
3. Adjust an engine or balance mechanical part on a vehicle so it runs smoothly.
4. Adjust or adapt something to a particular situation.
I think in this text it's definition 4, but that's just me.
Sorry I could only answer half of your question.