The correct answer should be A. Whomever.
This is because this can be paraphrased as "the instructor has picked him" not "the instructor has picked he". Him corresponds to whomever while he corresponds to whoever.
Answer:
what sorry what you are saying is what I do not understand what you are saying
For example, “that person in my class has the brand new Playstation. I wish my parents were that rich to buy me one.”
My peeennnooooorrrrrrrrrrrr
