What should a solutions architect recommend to meet these requirements?

A company is building a mobile app on AWS. The company wants to expand its reach to millions of users. The company needs to build a platform so that authorized users can watch the company’s content on their mobile devices

What should a solutions architect recommend to meet these requirements?
A . Publish content to a public Amazon S3 bucket. Use AWS Key Management Service (AWS KMS) keys to stream content.
B . Set up IPsec VPN between the mobile app and the AWS environment to stream content
C . Use Amazon CloudFront Provide signed URLs to stream content.
D . Set up AWS Client VPN between the mobile app and the AWS environment to stream content.

Answer: C