In Comparing the Sexual Techniques of Gays and Lesbians to That

In comparing the sexual techniques of gays and lesbians to that of heterosexuals,it appears that

A) there are no differences in techniques used by homosexuals and heterosexuals.
B) heterosexuals spend more time holding and kissing than do lesbians.
C) heterosexuals spend more time in communication with each other than do lesbians.
D) both heterosexual and lesbian women prefer penetration by a penis rather than a dildo.