9.成人感染社區型腦膜炎( community-acquired meningitis)時,給與ceftriaxone + vancomycin之經驗性抗生素治
療,主要為了消滅下列何種細菌?
A.methicillin-resistant Staphylococcus aureus
B.penicillin- & cephalosporin-resistant Streptococcus pneumoniae
C.vancomycin-intermediate Staphylococcus aureus
D.ampicillin-resistant enterococci