I'm not 100% sure but I think it is A. Sorry if it is wrong.
The correct answer here is the third one: Limited omniscient. We know this because a narrator who knows everything about all the characters is all knowing, or omniscient and a narrator whose knowledge is limited to one character, either major or minor, has a limited omniscient point of view.This text is a perfect example of an omniscient limited. I hope this helps
A. The narrator regrets mentioning the money.
is the correct answer