This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Bacterial extracellular polysaccharide production is
a) a property of only Streptococcus mutans
b) a prerequisite for cariogenicity
c) a factor mediating attachment of bacteria to teet
d) an essential component of dental plaque
e) characteristic of all streptococcus 
Select and explain. 
A. a e is false b c d is true, B. a b c is false d e is true, C. b c d is false a e is true, D. c d e is false a b is true
A: a e is false b c d is true
Answer: A: a e is false b c d is true 
Explanation: None