Answer:
Trisha had worked at the video store for only three months before she got a raise.
Personal pronouns
Demonstrative pronouns
Interrogative pronouns
Relative pronouns
Indefinite pronouns
Reflexive pronouns
Intensive pronouns
Explanation:
it has caused a gradual heating heating of earth's atmosphere
The definition of epigraph according to the Merriam-Webster dictionary is "an engraved inscription."
I would say that this passage is built mainly examples. So A.