When a Manager Uses Comparative Advantage to Assign Tasks in a Workplace

When a manager uses comparative advantage to assign tasks in a workplace, then each

A) task is assigned to the worker who is best at doing the task.
B) worker is assigned to the tasks for which he or she has the highest aptitude and efficiency.
C) worker learns how to do all tasks to increase flexibility in assignments.
D) task is assigned to the worker with the lowest opportunity cost for performing the task.