Mary Borrowed $50,000 in Student Loans to Become a Doctor

Mary borrowed $50,000 in student loans to become a doctor.Her parents cosigned the loans.Now,the loans have become due,and Mary wants to discharge them in bankruptcy.Which of the following statements best describes Mary's possible recourse?

A) Student loans cannot be discharged unless Mary proves "undue hardship."
B) Student loans cannot be discharged within 5 years unless Mary proves "undue hardship."
C) Even though Mary must wait to discharge her debt,her parents can discharge their obligation immediately.