Answer:
C. Stafford
Step-by-step explanation:
Grants are a form of of financial help that is given to another individuals / organizations for a certain cause. (could be things such as educations, activism, efforts to help victims of natural disasters, etc)
Financial aid that's given though Grants does not need to be paid back by the recipient.
Stafford on the other hand, is a form of loan that is given to people who need help for their education. Unlike grants, loans need to be paid back by the recipient.