A user has a non-relational key-value database. The user is looking for a fully managed AWS service that will offload the administrative burdens of operating an...

A user has a non-relational key-value database. The user is looking for a fully managed AWS service that will offload the administrative burdens of operating and scaling distributed databases. The solution must be cost-effective and able to handle unpredictable application traffic.
What should a Database Specialist recommend for this user?

A. Create an Amazon DynamoDB table with provisioned capacity mode B. Create an Amazon DocumentDB cluster C. Create an Amazon DynamoDB table with on-demand capacity mode D. Create an Amazon Aurora Serverless DB cluster