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: Ophthalmology
Optical coherence tomography is akin to in vivo: 
Select and explain. 
A. Histopathology, B. Ultrasonic biomicroscopy, C. Confocal microscopy, D. Roentgen examination
A: Histopathology
Answer: A: Histopathology 
Explanation: Ans. Histopathology