A client with testicular cancer is scheduled for a right orchiectomy. The day before surgery, the client asks the nurse whether losing a testicle will have influence on his manhood. Which of the following facts about orchiectomy should form the basis for the nurse’s response（）
A. Testosterone levels are decreased.
B. Sexual drive and libido are unchanged.
C. Sperm count increases in the remaining testicle.
D. Secondary sexual characteristics change.