Which of the Following Would Be Useful as an Effective

Multiple Choice

Which of the following would be useful as an effective anti-androgen therapy in a 78-year-old patient with prostate cancer?
I. Bilateral orchiectomy.
II. A testosterone antagonist such as bicalutamide only.
III. An LH-RH antagonist such as cetrorelix.

A) I only
B) III only
C) I and/or III
D) II only