Answer:
The figurative term being used in the sentence is "Scrooge".
This term is allusion
Explanation:
Scrooge is a very grumpy character from the novel "A Christmas Carol" so when the sentence referred to "Scrooge" the person was calling the other character grumpy or bad-tempered.
Should be background knowledge
A declarative sentence because it is making a statement.
A. "He realized at last how much poorer he was when he had left..."
