The Main Difference Between Cellulose and Chitin Is That:
A)Cellulose $\beta$

The main difference between cellulose and chitin is that:

A) Cellulose has $\beta$ -glycosidic linkages;chitin has $\alpha$ -glycosidic linkages
B) Cellulose has $\alpha$ -glycosidic linkages;chitin has $\beta$ -glycosidic linkages
C) Cellulose contains D-glucose units;chitin contains N-acetyl derivative of glucosamine
D) Cellulose has a linear structure,chitin has helical structure
E) Cellulose has 1,6 branching,chitin has no branching