17.下列何種viridans streptococcus group不會產生acetoin?
(A)Mitis group
(B)Mutans group
(C)Bovis group
(D)Anginosus group
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統計: A(780), B(330), C(662), D(299), E(0) #2973011
統計: A(780), B(330), C(662), D(299), E(0) #2973011
