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
The amount of force needed to compact direct filling gold properly is influenced mostly by the: 
Select and explain. 
A. Angle of compaction, B. Surface area of the condenser, C. Bulk of the surrounding tooth, D. Temperature at which gold is annealed
B: Surface area of the condenser
Answer: B: Surface area of the condenser 
Explanation: None