What is an optimal approach to implement these requirements?

Universal Containers has expanded to sell virtual containers for data storage. Virtual container work orders are provisioned immediately by the system and therefore cannot be changed by a sales representative.

What is an optimal approach to implement these requirements?
A . Remove the Work Order Edit permission from thesales representative Profile.
B. Remove the edit button from the work order page layout.
C. Change the record type/page layout assignment for Work Order to be Read Only.
D. Implement a sharing rule that changes access for all Work Order to Read.

Answer: A