A 群鏈球菌的毒力因子中,何者具有超級抗原(superantigen)之特性,而且是潛溶噬菌體(lysogenic bacteriophage)的基因產物?
streptococcal pyrogenic exotoxin A and C(SPE A and SPE C)
DNase B
streptolysin O
M protein