Correct Answer - C
AWS Documentation mentions the following.
With AWS Config, you can do the following.
Evaluate your AWS resource configurations for desired settings.
Get a snapshot of the current configurations of the supported resources that are associated with your AWS account.
Retrieve configurations of one or more resources that exist in your account.
Retrieve historical configurations of one or more resources.
Receive a notification whenever a resource is created, modified or deleted.
View relationships between resources. For example, you might want to find all resources that use a particular security group.
For more information on AWS Config, please visit the below URL-
http://docs.aws.amazon.com/config/latest/developerguide/WhatIsConfig.html