A Client Who Wants to Use the Vaginal Sponge as a Method

A client who wants to use the vaginal sponge as a method of contraception shows that she understands the appropriate usage with which of the following statements?

A) "I need to use a lubricant prior to insertion."
B) "I need to add spermicidal cream prior to intercourse."
C) "I need to moisten it with water prior to use."
D) "I need to leave it in no longer than 6 hours."