A Company Hosts a Training Site on a Fleet of Amazon

A company hosts a training site on a fleet of Amazon EC2 instances. The company anticipates that its new course, which consists of dozens of training videos on the site, will be extremely popular when it is released in 1 week. What should a solutions architect do to minimize the anticipated server load?

A) Store the videos in Amazon ElastiCache for Redis. Update the web servers to serve the videos using the ElastiCache API.
B) Store the videos in Amazon Elastic File System (Amazon EFS) . Create a user data script for the web servers to mount the EFS volume.
C) Store the videos in an Amazon S3 bucket. Create an Amazon CloudFront distribution with an origin access identity (OAI) of that S3 bucket. Restrict Amazon S3 access to the OAI.
D) Store the videos in an Amazon S3 bucket. Create an AWS Storage Gateway file gateway to access the S3 bucket. Create a user data script for the web servers to mount the file gateway.