Which of the following statements about the M protein of Streptococcus pyogenes is correct?
A) Protects against phagocytosis and enhances adherence.
B) Gives rise to a zone of b hemolysis on blood agar.
C) Protects against lysozyme damage.
D) Is also called streptokinase.
E) Is the basis for the organism belonging to Lancefield group A.