What is the MOST operationally efficient solution that meets these requirements?

A company needs to keep user transaction data in an Amazon DynamoDB table.

The company must retain the data for 7 years.

What is the MOST operationally efficient solution that meets these requirements?
A . Use DynamoDB point-in-time recovery to back up the table continuously.
B . Use AWS Backup to create backup schedules and retention policies for the table.
C . Create an on-demand backup of the table by using the DynamoDB console. Store the backup in an Amazon S3 bucket. Set an S3 Lifecycle configuration for the S3 bucket.
D . Create an Amazon EventBridge (Amazon CloudWatch Events) rule to invoke an AWS Lambda function. Configure the Lambda function to back up the table and to store the backup in an Amazon S3 bucket. Set an S3 Lifecycle configuration for the S3 bucket.

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Answer: C