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
Type of cry, which is not a cry at all, there are no tears, no sobs, just a constant whining noise: 
Select and explain. 
A. Obstinate cry., B. Frighten cry., C. Hurt cry., D. Compensatory cry.
D: Compensatory cry.
Answer: D: Compensatory cry. 
Explanation: The four types of crying classified by Elsbach are: