What is the rest of the question?
Answer:
Dickinson writes with creative punctuation.
If you're asking for main idea, the main idea or thesis statement sentence is sentence 1, where they explain what the passage is about.
“Constance Culmington, he reflected to himself, was exactly the sort of woman who would buy an island and surround herself with mystery! Nodding his head in gentle approval of his logic, Mr. Justice Wargrave allowed his head to nod... He slept..." Chapter 1, pg. 3
Answer: A. to organize ideas for comparing and contrasting two topics.
Explanation: A Venn diagram is an illustration that uses circles to show the relationships among things or groups of things.
