An application runs on Amazon EC2 instances behind an Application Load Balancer (ALB). The instances run in an Auto Scaling group across multiple Availability Zones. The Information Security team wants to track application requests by the originating IP and the EC2 instance that processes the request.
Which of the following tools or services provides this information?

A. Amazon CloudWatch
B. AWS CloudTrail
C. Elastic Load Balancing access logs
D. VPC Flow Logs