The Difference Between a Savings Account Deposit and a Certificate

The difference between a savings account deposit and a certificate of deposit at a commercial bank is that:

A) a savings account pays interest and a certificate of deposit does not.
B) a savings account does not pay interest and a certificate of deposit does.
C) both pay interest but a savings account ties up the money for a preset period of time.
D) both pay interest but a certificate of deposit ties up the money for a preset period of time.