The stored food in Polysiphonia is ___A___ which is very similar to...

The stored food in Polysiphonia is ___A___ which is very similar to ___B___ and ___C___ in structure.

A. A = floridean starch, B = amylopectin, C = glycogen

B. A = floridean starch, B = chitin, C = glycogen

C. A = mannitol, B = floridean starch, C = amylopectin

D. none of these