The number of female students in college XYZ in the previous year was 500. If in the current year the number of male students in XYZ doubled over that of the previous year but the proportion of male students halved, then the number of female students in XYZ in the current year is,
A.125
B.250
C.500
D.1000
E.2000
A.125
B.250
C.500
D.1000
E.2000