Pneumonia Is Often Classified into Which of the Following Four

Pneumonia is often classified into which of the following four categories
I.Aspiration pneumonia
II.Severe acute respiratory syndrome
III.Hospital-acquired pneumonia
IV.Bronchiolitis obliterans organizing pneumonia
V.ImmunoCompromised pneumonia
VI.Community-acquired pneumonia

A) I, III, IV, and V
B) II, IV, V, and VI
C) II, III, IV, and VI
D) I, III, V, and VI