Choose the option that best matches the description given.
The human services field has roots that date back to ancient civilizations, during which time evil or demonic spirits were
thought to be the cause of human problems. By boring a small hole in the skull during a procedure known as
the ancient people thought they could release the evil spirits.
I would say A because B isn't really a word and C means a surgical operation involving incision into the prefrontal lobe of the brain, formerly used to treat mental illness. But C means surgical opening into the skull.