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
Dental cripple signifies: 
Select and explain. 
A. A child who has many teeth., B. Disabled child., C. Special child., D. A child who is more susceptible to caries.
D: A child who is more susceptible to caries.
Answer: D: A child who is more susceptible to caries. 
Explanation: None