Concept:Prospero is praising the spirit who carried out his instructions during the magical masque and trap.Explanation:Prospero states that the servant has left out nothing from the orders given.He calls the spirit among his “meaner ministers” and acknowledges its perfect service.He then observes that his enemies are now confused and helpless under his power.This speech is made to Ariel, the loyal spirit responsible for the enacted illusion.Answer:D. Ariel