it's (A) , i think it's the best description for this context .
Answer: reexamine is the answer.
Reflecting on the past effects scrooges character by showing him what he could have had, but instead he chose money letting him realize that though he may be rich and successful there's more to life then money he learns he needs to live his life tp the fullest which changes him from being a greedy old man to a generous old man.
Answer:
You read to find out the central idea the character or you learns
Explanation:
As you know theme is "broad idea or a message that is to be conveyed through a literary work." I think what would best work is you reading the book a couple of times and seeing what the central idea the character or you learned.
I hope this helped. I am sorry if you get this wrong.