Autopsy of the body of a 28-year-old man, who had subacute glomerulonephritis and died with signs of progressing uremia, reveals easily removable whitish threadlike deposits on the surface of the pericardium, visceral and parietal pleura, and peritoneum. What type of inflammation is observed in the serosa of the deceased man?

• A. Diffuse proliferative inflammation
• B. Diphtheritic fibrinous inflammation
• C. Serous inflammation
• D. Croupous fibrinous inflammation
• E. Purulent inflammation