I'd say it would be the table to the right
⭐️The answer is⭐️
Think of the main idea as an —umbrella“ idea. It is the author's primary point about a topic. All other material in the paragraph fits under the main idea. In a paragraph, authors often present the main idea to readers in a single sentence called the topic sentence.
Explanation:
Anne describes herself early in the diary as somewhat superficial. She says that she has few true friends because she cannot bring herself to talk about serious things with any of them. This, in fact, is why she says she's keeping the diary. She acknowledges that she sometimes talks too much, recording early in the diary that she had to do a writing assignment on being a "chatterbox."
I think your answer is C.)
The author is using an anecdote because he is telling a true story about someone or something that happened.