Which of the Following Is a Characteristic of General Obligation

Which of the following is a characteristic of general obligation term bonds that is different from the characteristics of general obligation serial bonds?

A) Term general obligation bonds come due at a single, specified future date.
B) Term general obligation bonds mature over a period of time.
C) Term general obligation bonds is backed by the full faith and credit of the government issuer.
D) Interest income earned on term general obligation bonds is generally tax exempt.
E) None of the above.