A SysOps administrator is creating two AWS CloudFormation templates. The first template will create a VPC with associated resources, such as subnets, route tables, and an internet gateway. The second template will deploy application resources within the VPC that was created by the first template. The second template should refer to the resources created by the first template.
How can this be accomplished with the LEAST amount of administrative effort?

A. Add an export field to the outputs of the first template and import the values in the second template.
B. Create a custom resource that queries the stack created by the first template and retrieves the required values.
C. Create a mapping in the first template that is referenced by the second template.
D. Input the names of resources in the first template and refer to those names in the second template as a parameter.