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: Pathology
"Lardaceous spleen" is due to deposition of amyloid in: 
Select and explain. 
A. Sinusoids of red pulp, B. White pulp, C. Penicillary aery, D. Splenic trabeculae
A: Sinusoids of red pulp
Answer: A: Sinusoids of red pulp 
Explanation: Sinusoids of red pulp