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
Degree of mental disability of a child (low IQ), who is able to speak well enough for most  communication needs, is classiﬁed as: 
Select and explain. 
A. Moderate, B. Mild, C. Severe, D. Profound
B: Mild
Answer: B: Mild 
Explanation: Classification of Intellectual Disability