I believe it is the final sentence: I left for college when I was 18 (that was also the age at which I was married). This is because the parentheses also give information about another incident that took place at the time - his/her marriage.
D. 1 and 3.
Text-to-test is not correct, the three main connections are: text-to-self, text-to-text, and text-to-world.
D)a delay in carrying out a sentence
You can. If I were you, I would try to use your character inner thoughts to try and start it off. You can do that by using italics. Here's an example:
(Based on a different show, Riverdale. I'm using the last sentence from your story to show you how it would work)
(...) I tried getting my arm free from underneath the bed. As I pulled, I was able to get my hand out. I was appalled, but grateful.
<em>How did that happen? </em>Betty thought to herself as she shook her head.
I hope you undertood that and that it helps.
