I think such as, because you are naming multiple symptoms. You are not comparing/contrasting, consequently is used in a sentence to state something as a result or therefore. Initially means at first, when used in a sentence. So, “such as” is the best choice.
Answer:Central idea: The main point of a piece of writing, often stated in a thesis statement or topic sentence. Clincher sentence: The sentence that summarizes the point being made in a paragraph, usually located at the end.
Explanation:
C. i remember reading this a few years back :)
C, because "butterfly chaser" seems to point to his opinions on nature.