Which interface should you implement if you want to be alerted to the lifecycle events surrounding your task being executed by a ManagedExecutorService? 

Answer options:

A. the Runnable Interface
B. the ManagedExecutorTask interface
C. the TaskEventListener interface
D. the ManagedTaskListener interface

D

Reference: https://github.com/javaee/concurrency-ee-spec/blob/master/api/src/main/java/javax/enterprise/concurrent/ManagedExecutorService.java