Carmen Is a Creditor of Joe's Popular Pizza, an Entity

Carmen is a creditor of Joe's Popular Pizza, an entity that has just gone bankrupt. She learns about the bankruptcy in the newspaper and realizes that she must file a claim if she is to get any money back. Carmen must file a proof of claim because

A) Carmen wants to pursue Joe's Popular Pizza in another province.
B) Joe's whereabouts are unknown.
C) it is the required method of proving a claim in bankruptcy, providing notice and an opportunity for the debtor to challenge the claim if necessary.
D) Carmen is a secured creditor.
E) she is claiming a settlement and not a preference.