A patient presents to the emergency department with history of persistent fever & cough. Radiological features are suggestive of pneumonia. Sputum examination cultures reveal aerobic branching Gram positive filaments that are partially acid fast.Which of the following is the most likely etiological agent -: (A) Actinomyces israeli, (B) Nocardia asteriodes, (C) Aspergillus fumigatus, (D) Staphylococcus aureus
Answer is B. None