A colleague is attempting to launch several new CloudFormation stacks, and receives the following error response:

What should be done to address the error?

A. Add a Pause to the CloudFormation templates.

B. Add an exponential backoff between CreateStack API calls.

C. Run the CloudFormation API calls from a larger Amazon EC2 instance.

D. Combine stack templates into one, and retry the CreateStack API call.

Reference: