You've Been Brought in as Solutions Architect to Assist an Enterprise

You've been brought in as solutions architect to assist an enterprise customer with their migration of an e-commerce platform to Amazon Virtual Private Cloud (VPC) The previous architect has already deployed a 3-tier VPC. The configuration is as follows: VPC: vpc-2f8bc447 IGW: igw-2d8bc445 NACL: ad-208bc448 Subnets and Route Tables: Web servers: subnet-258bc44d Application servers: subnet-248bc44c Database servers: subnet-9189c6f9 Route Tables: rrb-218bc449 rtb-238bc44b Associations: subnet-258bc44d : rtb-218bc449 subnet-248bc44c : rtb-238bc44b subnet-9189c6f9 : rtb-238bc44b You are now ready to begin deploying EC2 instances into the VPC  Web servers must have direct access to the internet Application and database servers cannot have direct access to the internet. Which configuration below will allow you the ability to remotely administer your application and database servers, as well as allow these servers to retrieve updates from the Internet?

A) Create a bastion and NAT instance in subnet-258bc44d, and add a route from rtb- 238bc44b to the NAT instance.
B) Add a route from rtb-238bc44b to igw-2d8bc445 and add a bastion and NAT instance within subnet-248bc44c.
C) Create a bastion and NAT instance in subnet-248bc44c, and add a route from rtb- 238bc44b to subnet-258bc44d.
D) Create a bastion and NAT instance in subnet-258bc44d, add a route from rtb-238bc44b to Igw-2d8bc445, and a new NACL that allows access between subnet-258bc44d and subnet-248bc44c.