Mike Is Appointed as Cloud Consultant in ABC

Mike is appointed as Cloud Consultant in ABC.com. ABC has the following VPCs set- up in the US East Region: A VPC with CIDR block 10.10.0.0/16, a subnet in that VPC with CIDR block 10.10.1.0/24 A VPC with CIDR block 10.40.0.0/16, a subnet in that VPC with CIDR block 10.40.1.0/24 ABC.com is trying to establish network connection between two subnets, a subnet with CIDR block 10.10.1.0/24 and another subnet with CIDR block 10.40.1.0/24. Which one of the following solutions should Mike recommend to ABC.com?

A) Create 2 Virtual Private Gateways and configure one with each VPC.
B) Create 2 Internet Gateways, and attach one to each VPC.
C) Create a VPC Peering connection between both VPCs.
D) Create one EC2 instance in each subnet, assign Elastic IPs to both instances, and configure a set up Site-to-Site VPN connection between both EC2 instances.