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: Pharmacology
Which of the following is a mucolytic 
Select and explain. 
A. Lignocaine, B. Aprepitant, C. Codeine, D. Ambroxol
D: Ambroxol
Answer: D: Ambroxol 
Explanation: Ambroxol & Bromhexine make the mucus less viscid & act as mucolytics.