remorseful is your best answer
"remorseful" means "filled with remorse, sorry". Even though it is not said, it is implied that he is sorry, because he thinks back to the history of how his mom ended up like that.
hope this helps
I can try,
But what's the question?
Answer:
You got a 50/50 cause im seeing C is my answer but D also seems right so go with C or D
Explanation:
(A) Attaching importance to wealth