Refer to the Graph Below

Multiple Choice

Refer to the graph below.
According to the information in the graph,

A) in 2012, more than 70 percent of American women were studying psychology.
B) since 1976, gender discrimination has virtually disappeared on American college campuses.
C) in 2012, more than two-thirds of psychology PhDs awarded in the United States were earned by women.
D) between 1976 and 2012, the percentage of PhDs in psychology awarded in the United States more than doubled.