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 cements is most biocompatible with pulp? 
Select and explain. 
A. GIC, B. Copper cement, C. Zinc phosphate cement, D. Zinc oxide eugenol cement
D: Zinc oxide eugenol cement
Answer: D: Zinc oxide eugenol cement 
Explanation: None