This is a hard one and I can see why you decided to post it here. B is most definitely wrong but the other three are all neck and neck. There are both even pros and cons of A and C but I think it would be more reasonable to adopt a general routine. So I think the answer would be C.
Answer / Explanation:
It lends consumers money when other banks will not. It keeps all failing banks afloat to avoid economic disruption. It helps finance and stabilize central banks internationally.
Pretty sure that would be in reference to Jupiter but I'd check it
