Chytridiomycetes Produce Enzymes That Digest Cellulose,chitin,and Similar Molecules

Chytridiomycetes produce enzymes that digest cellulose,chitin,and similar molecules.These fungi are contributing to the decline of amphibians worldwide through what mechanism?

A) by infecting their lungs
B) by digesting keratin in the frog's skin
C) by killing their eggs in the water
D) by digesting chitin in the cell wall of the frog's cells
E) by digesting cellulose in the cell wall of the frog's cells