What Percentage of All Female College Students Are Victims of Rape

What percentage of all female college students are victims of rape or attempted rape during their time at college with roughly how many of these rapes being acquaintance (date) rapes?

A) eight percent with one-fourth of these being date rapes
B) 14 percent with one-third of these being date rapes
C) 20 percent with one-half of these being date rapes
D) 33 percent with two-thirds of these being date rapes