D is incorrect because it is a run-on sentence.
Hii I’m pretty sure it’s ‘Will not be’ sorry if it’s wrong
Answer: C. Introversion and extroversion
Explanation:
Your desire to interact with others (or not), comes from introversion and/or extroversion.
Someone who is more extroverted may be more social, wish to interact with others more, etc. Someone who is more introverted may wish to spend more time alone, not interact with others as much, etc.
I can’t see the sentences
It's used to guide and organize the entire outline. (should be the main focus of the paper.)