What are the functions of vitamin B2?

I- Participates in chemical reactions for obtaining energy.
II- Activates other B-type vitamins such as vitamin B6 and folic acid.
III- Essential for body growth.
IV- Collaborates in hematopoiesis or formation of blood elements: red blood cells, white blood cells, and platelets.
V- Produces glycogen formation, which is the storage of glucose.
a) I, II, III, IV, and V are correct.
b) I, II, and IV are correct.
c) Only III and V are correct.