Based on my point of view I would think of it as Kevin showing his compassion for his father, or trying to show a link for family care.
And no, I don't think it has anything to do with Kevin being a little thief. XD Unless that's what the story portrays.
Infinitive is to keep. use is adverb. hope it helps.
Do you have a picture of the question, or do you have anymore information to answer this? such as what type of graph they’re talking about, and what data.
The correct answer is A. The backdrop of a scene.