An application runs on an Amazon EC2 instance that has an Elastic IP address in VPC A. The application requires access to a database in VPC B. Both VPCs are in the same AWS account. Which solution will provide the required access MOST securely?

• ACreate a DB instance security group that allows all traffic from the public IP address of the application server in VPC A.
• BConfigure a VPC peering connection between VPC A and VPC B.
• CMake the DB instance publicly accessible. Assign a public IP address to the DB instance.
• DLaunch an EC2 instance with an Elastic IP address into VPC B. Proxy all requests through the new EC2 instance.