The discharge of a certain student loans is excluded from income if all of the following are present except for

a) the loan have been made by governmental, educational, or charitable organizations

b) the loan proceeds must have been used to pay the cost of attending an educational institution or used to refinance outstanding student loans

c) the loan forgiveness must be contingent upon the individual 's working for a specified period of time in certain professions

d) the loan forgiveness is based on age