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 among these is not an ideal property of soldering material? 
Select and explain. 
A. Corrosion resistant, B. Non-pitting, C. High fusing, D. Free flowing
C: High fusing
Answer: C: High fusing 
Explanation: None