Which of the Following Empirical Studies Describes the Prevalence Rates

Which of the following empirical studies describes the prevalence rates of bulimia nervosa?

A) About 60% of bulimia nervosa cases are women
B) Canadian studies show that bulimia nervosa is ten times more prevalent than anorexia nervosa
C) A British Columbia study found that by the age of 18, 97% of females would like to weigh less
D) An Ontario study found that 27% of girls aged 12-18 had disordered-eating attitudes and behaviours