He uses rule 83 by changing his behavior
I would say D, since A and B would be highly irrelevant. C sounds like a possible answer, but could still be viewed as irrelevant since it doesn't actually contain info about MP3 players.
Answer:
The tone that Portia uses when speaking to Brutus is earnest
Explanation:
Portia is worried about her husband and whatever is deeply troubling him, as she talks to him, she uses words that demonstrate the importance that she gives to the situation, and how interested she is in discovering what secrets are hidden in her husband mind, this can describe the tone as earnest.
I think he means that humans don’t like being alone. It’s our nature to find someone or have a companion throughout our lives. We instinctfully talk to people to interact or make friends. That’s what I think he means