What should a solutions architect do to meet these requirements?

A company has an application that uses Amazon Elastic File System (Amazon EFS) to store data. The files are 1 GB in size or larger and are accessed often only for the first few days after creation. The application data is shared across a cluster of Linux servers. The company wants to reduce storage costs for the application.

What should a solutions architect do to meet these requirements?
A . Implement Amazon FSx and mount the network drive on each server
B . Move the files from Amazon EFS and store them locally on each Amazon EC2 instance
C . Configure a lifecycle policy to move the files to the EFS Infrequent Access (IA) storage class after 7 days.
D . Move the files to Amazon S3 with S3 Lifecycle policies enabled. Rewrite the application to support mounting the S3 bucket

Answer: C