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: ENT
Thudichum's nasal speculum is used to visualize - 
Select and explain. 
A. Tonsils, B. Larynx, C. Anterior nasal cavity, D. Posterior nares
C: Anterior nasal cavity
Answer: C: Anterior nasal cavity 
Explanation: None