The Statement by the Patient That Indicates He Understands the Teaching

The statement by the patient that indicates he understands the teaching relative to how to perform a testicular self-examination is:

A) "It's not necessary to feel the testes, just look at them in a mirror."
B) "The best time to do a self-examination is after a shower, when my body is warm."
C) "It doesn't really matter when I do it, just do it sometime."
D) "The physician is really the best person to check this for me."