A) quotations should always be cited
Answer:
Because Leonard was the only person outside walking at night.
Explanation:
The sentence doesn't form a complete thought, it starts with because but doesn't have a reason.
“When thinking” is the right answer (the definition of retrospect is “a survey or review of a past course of events or period of time”. So “when thinking “ is most likely the right answer.
A coordinating conjunction is a word that joins two elements of equal grammatical rank and syntactic importance. They can join two verbs, two nouns, two adjectives, two phrases, or two independent clauses. The seven coordinating conjunctions are for, and, nor, but, or, yet, and so.
I believe it might be Mystery or annoyance but annoyance doesn't sound right
He said "As of some one gently rapping" so I think it's Mystery hope this helps.