Answer: A and B
Explanation: C is coming from your own ideas, and D is just not citing a source correctly.
Gatsby thinks Daisy is the greatest show- she’s everything he wants and needs in life to be happy
He would try and reproduce the senses of a child to help better understand them
I'd say probably when the person you are contacting prefers communicating via call or text or another form of messaging. For almost anything professional or business related, it would be appropriate and acceptable to email.