Which of the following will meet the Customer requirement?

A customer wants to track access to their Amazon Simple Storage Service (53) buckets and also use this information for their internal security and access audits.

Which of the following will meet the Customer requirement?
A . Enable AW5 CloudTrail to audit all Amazon 53 bucket access.
B . Enable server access logging for all required Amazon 53 buckets.
C . Enable the Requester Pays option to track access via AWS Billing
D . Enable Amazon 53 event notifications for Put and Post.

Answer: A