A company has implemented a new client-server enterprise resource planning (ERP) system. Local branches transmit customer orders to a central manufacturing facility. Which of the following would BEST ensure that the orders are entered accurately and the corresponding products are produced? 
A、Verifying production to customer orders 
B、Logging all customer orders in the ERP system 
C、Using hash totals in the order transmitting process 
D、Approving (production supervisor) orders prior to production