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 has the highest modulus of elasticity? 
Select and explain. 
A. Dentin, B. Enamel, C. Amalgam, D. Composite Resin
B: Enamel
Answer: B: Enamel 
Explanation: Enamel is a brittle substance with a comparatively high modulus of elasticity, a low proportional limit in tension, and a low modulus of resilience.
Reference: PHILLIPS’ SCIENCE OF DENTAL MATERIALS, 12th ed page no 67