Christina's Bank Allows Her Employer to Directly Deposit Her Paycheck

Christina's bank allows her employer to directly deposit her paycheck into her personal bank account. This service provided by Christina's bank is called a(n) :

A) automated teller machine (ATM) service.
B) Federal Deposit Insurance Corporation (FDIC) service.
C) money market service.
D) electronic funds transfer system (EFTS) service.
E) overdraft service.