I’ll change math ,because it’s hard but not that hard .
Answer:
(especially of an old person) bad-tempered and negative.it is the answer of first question
answer of b. is Word hippo - Thesaurus
B - it is a question, so it is interrogative
I think impiled but im really not sure best of luck
B. Flashback. They are talking about a past date which means its definitely a flashback.