A. Create an Amazon CloudWatch Events event for file restoration from Amazon S3 Glacier using the GlacierJobDescription API and send the event to an SNS topic the Administrator has subscribed to.
B. Create an AWS Lambda function that performs a HEAD request on the object being restored and checks the storage class of the object. Then send a notification to an SNS topic the Administrator has subscribed to when the storage class changes to STANDARD.
C. Enable an Amazon S3 event notification for the s3:ObjectCreated:Post event that sends a notification to an SNS topic the Administrator has subscribed to.
D. Enable S3 event notification for the s3:ObjectCreated:Completed event that sends a notification to an SNS topic the Administrator has subscribed to.

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