The adverb clause in this sentence is 'before class starts', and it modifies 'meet', so A is the correct answer.
No one can help you with that. It's asking for YOUR experience and we're not you, sorry.
A memoir is a biography which is a historical written account based on personal knowledge or special sources. Since it is considered a biography, the point of view that is used in a memoir is first-person point of view. In the first person point of view, the pronouns that can be used are I, me, my, mine, we, us, ours, and our.