I presume you have these lines in mind:
"CALIBAN (kneeling): As I told thee before, I am subject to a tyrant, a sorcerer that by his cunning hath cheated me of the island."
The correct answer is B: He is enslaved by a tyrant. He then explains that his tyrant (Prospero) has cunningly deceived him and took his island from him. Caliban wants Trinculo and Stefano to help him murder Prospero and retrieve the island.
Answer:
Quality control is the an operational method that implementes a series of tests to ensure that the end product delivered is of good quality.
There are different types of testing techniques that are implemented based on the kind of product.