Contemporary Research on Sexuality in the United States and Europe

Contemporary research on sexuality in the United States and Europe has found all but which of the following?

A) About 1 to 2 percent of women identify themselves as exclusively homosexual.
B) About 10 to 15 percent of men identify themselves as exclusively homosexual.
C) About 1 to 3 percent of the population is bisexual.
D) Around 9 percent of women aged 20 to 24 report having given oral sex to another woman in the past year.
E) Around 5 to 8 percent of men under the age of 60 report having given oral sex to another man in the past year.