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
Objective of surveying diagnostic cast is to 
Select and explain. 
A. Blocking out, B. Determining most favourable path of insertion, C. Placement of internal rest, D. None of the above
B: Determining most favourable path of insertion
Answer: B: Determining most favourable path of insertion 
Explanation: To determine the most desirable path of placement that will eliminate or minimize interference to placement and removal.