How can I change the security group membership for interfaces owned by other AWS, such
as Elastic Load Balancing?

A.
By using the service specific console or API\\CLI commands

B.
None of these

C.
Using Amazon EC2 API/CLI

D.
using all these methods

Explanation:
http://docs.aws.amazon.com/ElasticLoadBalancing/latest/DeveloperGuide/elb-securitygroups.html