An 8 year-old child has died because of pulmonary damage. In autopsy the pathologist has found out in the both lungs: edema, small foci of emphysema, atelectasis, haemorrhages, and inflammation without pus. The most probable disease is:
A. Clebsiella's pneumonia
B. Croupous pneumonia
C. Streptococcal pneumonia
D. Primary influenza viral pneumonia
E. Staphylococcal pneumonia