How can you enable partial deliveries for a sales order, while making sure to get as few deliveries as possible?

How can you enable partial deliveries for a sales order, while making sure to get as few deliveries as possible?
A . In each order item, set the appropriate delivery block.
B . In each order item, set partial deliveries to be allowed.
C . In each order item, set complete delivery to be required.
D . In the order header, set the Complete Delivery indicator.

Answer: B