The E-Commerce Application Is Being Monitored Using AppDynamics

The E-commerce application is being monitored using AppDynamics. AppDynamics has noticed that the application response has degraded and has identified some thread contention that might be the cause of the delays. Where in the interface does AppDynamics bring this to your attention?

A) Potential Issues section of an individual transaction
B) Transaction Score graph of a business transaction
C) Code Deadlock section of the Event List
D) Slow Calls and Errors tab of the application