This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Which of the following is a histological feature of Whipple's disease - 
Select and explain. 
A. Infiltration of histocytes in the lamina propria, B. Granuloma in the lamina, C. Macrophages with PAS (+) material inside the lamina propria, D. Eosinophils in the lamina propria
C: Macrophages with PAS (+) material inside the lamina propria
Answer: C: Macrophages with PAS (+) material inside the lamina propria 
Explanation: None