In the reaction,
MnO4- + 5Fe2+ + 8H+ ---> Mn2+ + 5Fe3+ + 4H2O,
A.) Fe3+ is oxidized and Mn2+ is reduced
B.) H+ is oxidized and MnO4- is reduced
C.) Fe2+ is oxidized and MnO4- is reduced
D.) Electrons are transferred from Mn2+ to Fe2+