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
Kennedy class II condition derives its 
Select and explain. 
A. Primary support from the tissue underlying the base and secondary support from the abutment teeth., B. Primary support from the abutment teeth., C. Primary support from the tissue underlying the base., D. Primary support from the abutment teeth and secondary support from the tissue underlying the base.
A: Primary support from the tissue underlying the base and secondary support from the abutment teeth.
Answer: A: Primary support from the tissue underlying the base and secondary support from the abutment teeth. 
Explanation: None