How would you proceed to do this?

A customer usually prefers complete delivery of a sales order. When creating a particular order, however, the customer would like to make an exception and allow partial deliveries .

How would you proceed to do this? Choose the correct answer.
A . Deselect the Complete Delivery flag in the sales order itself.
B . Deselect the Complete Delivery flag in the business partner master record.
C . Deselect the Complete Delivery flag in the outbound delivery.
D . Deselect the Complete Delivery flag in the customer-material info record.

Answer: A