A company provides APIs as a service and commits to a service level agreement (SLA) with all its users. To comply with each SLA, what should the company do?

A. Enable throttling limits for each method in Amazon API Gateway
B. Create a usage plan for each user and request API keys to access the APIs
C. Enable API rate limiting in Amazon Cognito for each user
D. Enable default throttling limits for each stage after deploying the APIs