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
Compared with dental alloys, CERAMICS show 
Select and explain. 
A. High ductility, B. High hardness, C. Low esthetic value, D. Susceptibility to brittle fracture
D: Susceptibility to brittle fracture
Answer: D: Susceptibility to brittle fracture 
Explanation: None