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: Dental
Which of the following type of behavior is seen in stubborn child: 
Select and explain. 
A. Obstinate., B. Timid., C. Whinning., D. Hysterical.
A: Obstinate.
Answer: A: Obstinate. 
Explanation: None