What is the difference between the terms 'repayment mortgage' and 'interest-only mortgage'?

What is the difference between the terms 'repayment mortgage' and 'interest-only mortgage'?

• A. Interest-only mortgages repay both principal and interest over the term
• B. Repayment mortgages keep interest-only payments throughout
• C. Repayment mortgages require capital and interest repayments to clear the loan by the end of term; interest-only mortgages repay only interest, with the capital repaid at end by a separate plan
• D. Both mortgages involve principal repayments evenly across term

Answer: (C)