Website users report that an application's pages are loading slowly at the beginning of the workday. The application runs on Amazon EC2 instances, and data is stored in an Amazon RDS database. The SysOps Administrator suspects the issue is related to high CPU usage on a component of this application. How can the Administrator find out which component is causing the performance bottleneck?

A. Use AWS CloudTrail to review the resource usage history for each component.
B. Use Amazon CloudWatch metrics to examine the resource usage of each component.
C. Use Amazon Inspector to view the resource usage details for each component.
D. Use Amazon CloudWatch Events to examine the high usage events for each component.