How would the Developer optimize this scan?

During non-peak hours, a Developer wants to minimize the execution time of a full Amazon DynamoDB table scan without affecting normal workloads. The workloads average half of the strongly consistent read capacity units during non-peak hours.

How would the Developer optimize this scan?
A . Use parallel scans while limiting the rate
B . Use sequential scans
C . Increase read capacity units during the scan operation
D . Change consistency to eventually consistent during the scan operation

Answer: B