What Statement Most Accurately Describes Kissing

What statement most accurately describes kissing?

A) In most cultures, deep kissing is the only form of kissing practiced.
B) Kissing is the first step toward sexual intercourse in most cultures.
C) Mouth-to-mouth kissing occurs only in sexual contexts.
D) Men are more likely than women to see kissing as a stepping-stone to sex.
E) Women use deep kissing primarily to indicate a willingness to have sex.