What are two ways Salesforce CPQ Advanced Approvals support obtaining approval from a group in a single Approval Step? Choose 2 answers

What are two ways Salesforce CPQ Advanced Approvals support obtaining approval from a group in a single Approval Step? Choose 2 answers
A . All group members must approve.
B . Any group member may approve.
C . Approval must be obtained from one group member at a time.
D . Smart Approvals can exclude group members below the approval threshold.

Answer: A,B