I believe the correct answer is D. humorous and informal.
You can see in the excerpt that the narrator is talking about him/herself in a humorous manner by mentioning his/her eccentricities such as 'mismatched socks' etc. The tone is very light and funny, so A, B, and C would be incorrect answers.
Huh? I don’t get it is that all of the question?
Answer:
Communication is the process of sending and receiving messages.
Level 4
the most biggest predators that are at the top the marine food chain sit here
