Answer:
C. Now therefore, while the youthful hue Sits on the skin like morning dew.
Explanation:
This is the statement that is intended to flatter the speaker's beloved. This poem was written by Andrew Marvel, sometime in the 1650s. The poem attempts to convince a reluctant woman to accept the speaker's advances, as life is short and should be enjoyed as much as possible before it is gone. In this line, the speaker tells the woman that her youth is found on her skin "like morning dew."
A miserable, bitter old miser, Scrooge hates irrational things like happiness, generosity, and Christmas, until a trio of Ghosts shows him the error of his ways.
Really, what's the deal with Scrooge? It's probably safe to say that there were exactly zero people like him in Dickens's reading public (nobody's that mean, right?), so he's certainly not here to make us identify with his awfulness. So what function does this character play? Well, here are two good ways to think about him.
The gerund in this sentence is "learning". A gerund is a verb form which is acting as a noun, in this case after the preposition "in".