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
In a 70 year old male who was working in asbestos factory for 10-15 years. On routine X-ray, a mass was seen in right apical region of the lung. Biopsy was taken from the mass, Which of the following is seen on electron microscopic examination - 
Select and explain. 
A. Neumerous long, slender microvilli, B. Melanosomes, C. Desmosomes, D. Neurosecretary granules in the cytoplasm
A: Neumerous long, slender microvilli
Answer: A: Neumerous long, slender microvilli 
Explanation: . Neumerous long, slender microvilli