Briefing Amazon Knowledge

What could be an explanation for this?

You are writing to a DynamoDB table and receive the following exception:”
ProvisionedThroughputExceededException”. though according to your Cloudwatch metrics for the table, you
are not exceeding your provisioned throughput.What could be an explanation for this?

A.
You haven’t provisioned enough DynamoDB storage instances

B.
You’re exceeding your capacity on a particular Range Key

C.
You’re exceeding your capacity on a particular Hash Key

D.
You’re exceeding your capacity on a particular Sort Key

E.
You haven’t configured DynamoDB Auto Scaling triggers