The development team is creating a social media game which ranks users on a scoreboard. The current implementation uses an Amazon RDS for MySQL database for storing user data; however, the game cannot display scores quickly enough during performance testing.
Which service would provide the fastest retrieval times?

A. Migrate user data to Amazon DynamoDB for managing content.
B. Use AWS Batch to compute and deliver user and score content.
C. Deploy Amazon CloudFront for user and score content delivery.
D. Set up Amazon ElastiCache to deliver user and score content.