Answer - A
Amazon S3 is the perfect storage option. It also provides the facility of assigning a URL to each object which can be used to download the object.
For more information on AWS S3, please visit the Link:
https://aws.amazon.com/s3/
B is incorrect. Glacier is for archival and long-term storage.
This question is to check the user understanding of AWS S3 service terminology and use cases. Objects are stored in S3 and should be downloadable via a URL. It`s not possible with EBS.