某酒精中毒者發燒且每天咳出一杯綠色、惡臭之痰液，醫師懷疑肺膿腫疾病，請問下列何組菌可能為其病原？
Klebsiella pneumoniae及Streptococcus pneumoniae
Peptostreptococcus intermedius及Fusobacterium nucleatum
Nocardia asteroides及Chlamydia psittaci
Mycoplasma pneumoniae及Clostridium perfringens
