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
Empty spasodic agent for the treatment of intestinal colic: 
Select and explain. 
A. Hyoscine., B. Dicyclomine., C. Propantheline., D. All of the above.
D: All of the above.
Answer: D: All of the above. 
Explanation: Other than these oxyphenonium and clidinium can also be used.