Which of the statements below is true for the following reaction?

Which of the statements below is truefor the following reaction?3H2S + 2 HNO3 ----> 3 S + 2 NO + 4 H2O

a) oxygen is reduced

b) hydrogen is reduced

c) sulfur is oxidized

d) hydrogen is oxidized

e) nitrogen is oxidized

f) oxygen is oxidized

g) no correct response