A Patient, Diagnosed with Cancer and Scheduled to Begin Biotherapy

A patient, diagnosed with cancer and scheduled to begin biotherapy, asks the nurse how the therapy will treat the cancer. With which of the following should the nurse respond to this patient?

A) "It changes the body processes that caused the cancer by enhancing your own immunity."
B) "It uses radiation implanted into the organ with the cancer."
C) "It uses laser therapy to remove the cancer."
D) "It uses stem cells to treat the cancer."