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.
Answer:
A good friend is someone difficult to find. A friend is somebody you can always count on when times are a hard time. The dictionary’s definition of a good friend is a person who attached to another by feelings of affection or personal regard.
Friendship means at ease with and liking of each other’s mind. A friend is one who appreciates a person’s skill. A good friend helps or encourages to make the right choices and do not get into any trouble at all.
As a responsible citizen I would Reduce, reuse, and recycle. Cut down on what you throw away. Follow the three "R's" to conserve natural resources and landfill space.
Hope this helped please mark as helping hand hope you have a good day
Go to a dictionary online. People here could give you a definition that's correct, but not the dictionary definition. Plus it's against the rules to copy paste from a website. ;) https://www.oxforddictionaries.com/ here's a website.
The detectives couldn't believe the crime site, they were going to have to do a dna analysis.