What should a solutions architect recommend to meet these requirements?

A company hosts an application on AWS. The application interacts with an Amazon DynamoDB table that has 10 read capacity units (RCUs) Data from Amazon CloudWatch alarms shows that throttling is occurring on read requests to the DynamoDB table. The company needs to prevent this issue from happening in the future as the application continues to grow.

What should a solutions architect recommend to meet these requirements?
A . Add an Elastic Load Balancer in front of the DynamoDB table.
B . Change the RCUs for the DynamoDB table to 20.
C . Provision 20 write capacity units (WCUs) for the DynamoDB table to offset the throttling on read requests.
D . Enable auto scaling for the DynamoDB table

Answer: D