Which of the following statements about the insect exoskeleton is NOT true?

A)The exoskeleton protects insects against predators and drying out.
B)The insect exoskeleton is jointed and movable.
C)The insect exoskeleton grows with the organism.
D)The insect exoskeleton is made of a complex form of carbohydrate called chitin.
E)The insect exoskeleton has muscles attached to it from the inside of the body.