Research Findings with Regard to Grade Point Averages (GPA) Indicate

Research findings with regard to Grade Point Averages (GPA) indicate all of the following

A) Women students tend to underestimate their GPAs in a variety of situations, but almost always have significantly higher GPAs than male students.
B) When men and women college students were asked to publicly predict their next semester's GPA, the women's estimates were lower than men's.
C) When men and women college students were asked to privately predict their next semester's GPA, the estimates of women and men were the same.
D) Women tend to giver lower estimates of their GPA in front of a weaker student.