Maybe because no one wants to listen to him or no one thinks he is important?
Answer:
D. Bewildered
Explanation: I hope this helps! I'm not sure if this is right so I'm very sorry if you get it wrong because of me. TwT
The answer to your question is A. - Them because you are referring to the crumbs and just not something random, in which case you would use "it".
I hope this helps you!
Have a great day!!