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 statement is true among the following: 
Select and explain. 
A. Clinically efficacy is more important than potency., B. Clinically Potency is more important the efficacy., C. Both have equal efficacy., D. None.
A: Clinically efficacy is more important than potency.
Answer: A: Clinically efficacy is more important than potency. 
Explanation: None