Answer:
D) Slouching while you sit in your desk
Explanation:
The question asks for a poor habit that can negatively affect your posture. With this information we can eliminate answer choices A), B), and C). Getting enough sleep each night, having good self-esteem, and performing stretching exercises are not poor habits, rather they are good habits to have. However, slouching while sitting at your desk is a poor habit to have, and can negatively affect your posture
I'm kind of confused as to what you're asking, but this looks like an outline to me. It's easier to see if you lay it out like this:
Introduction
I. Hook: You see them everywhere you look, sometimes out playing or other times in a house.
II. Topic sentence: three areas of information about cats.
A. Cats are very intelligent animals.
B. Cats give off tail signals.
C. Cats are territorial animals.
See? It seems like a plan for an essay, so the correct answer would be D. outlining.