Answer:
The correct answer is C. surgery. Surgery is the only option among these ones that treats cancer by removing it. A surgeon performs a surgery and removes a cancer from a person's body, and thus they are possibly healed. Chemotherapy uses drugs and radiation to get rid of the cancer. Immunotherapy uses substances, and hormones can affect a cancer, but not physically remove it from the body the way a surgery can.
Step-by-step explanation: