Correct Answer is B
The AWS Documentation mentions the below on AWS CloudFormation. This supplements the requirement in the question by allowing consultants to use their architecture diagrams to construct cloudFormation templates.
AWS CloudFormation is a service that helps you model and set up your Amazon Web Service resources so that you can spend less time managing those resources and more time focusing on your applications that run on AWS. All you have to do is create a template that describes all the AWS resources that you want (Amazon EC2 instances or Amazon RDS DB instances), and AWS CloudFormation takes care of provisioning and configuring those resources for you.
For more information on AWS CloudFormation, please visit the following URL:
So, The correct answer is: AWS CloudFormation