Answer:
asking follow up questions
Personally I would go for answer 2, but I am not completely sure
At first Arturo does not want to go because he rather study then visit his grandpa in the dreadful old's folk home. When he first arrives he keeps checking his watch eager to leave. After Arturo listen's to his grandpa's life story he does not want to leave because he wants to learn more about his grandpa.
Answer: Option A.
Have Christina agree to a larger order before he leaves.
Explanation:
From the dialogue between Warren and Christina, it is more likely that Christina had purchase the service and Warren is trying to encourage and tell her about their services as the best and to try and increase her order.
Warren tried to convince Christina to increase her orders before he leaves that is why he said they are the best in the New York City.
His goal is to persuade her to order for more.