The SysOps Administrator must integrate an existing on-premises asymmetrical key management system into an AWS services platform.
How can the Administrator meet this requirement?

A. Implement AWS KMS and integrate with the existing on-premises asymmetrical key management system
B. Implement AWS CloudHSM and integrate it with the existing key management infrastructure
C. Deploy an Amazon EC2 instance and choose an AMI from an AWS partner in the AWS Marketplace
D. Create a master key in AWS KMS, and export that key to the existing on-premises asymmetrical key management system