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
A rigid reciprocal arm of a clasp may also act as: 
Select and explain. 
A. Direct retainer, B. An auxiliary indirect retainer, C. Major connector, D. Minor connector
B: An auxiliary indirect retainer
Answer: B: An auxiliary indirect retainer 
Explanation: None