Harrison's Sexuality Class Is Learning to Use Male Condoms Correctly

Harrison's sexuality class is learning to use male condoms correctly.His professor probably told the class to _____.

A) unroll the condom prior to placing it on the penis
B) withdraw the penis when the erection is lost after ejaculation
C) always use water-based lubricants
D) fill the condom with water prior to using to test for leakage