How should the admin leverage Advanced Approvals to meet the requirement?

Universal Containers requires Quotes above a certain quantity threshold to be approved by the regional logistics manager. A custom object defines ail regions and managers. Each Quote is automatically related to its region and its manager.

How should the admin leverage Advanced Approvals to meet the requirement?
A . Create an Approval Rule and use the Approver Field picklist to dynamically assign the Approval to the Regional Manager.
B. Create an Approval Chain and use the Approver Field to dynamically assign the Approval to the Regional Manager.
C. Create an Approval Rule for each Region and select the Regional Manager in the Approver lookup field.
D. Create an Approval Chain with an Approval Rule for each Regional Manager lookup field.

Answer: A