Model analysis indicated for 2 quadrants:: (A) Hixon-old father, (B) Peck and peck index, (C) Pont's index, (D) All of the above
Answer is D. Key Concept:
The question wants to ask about the analysis that can be performed in 2 quadrants i.e. in single arch either maxilla or mandible.  
Examples: 

Hixon - old father (mandibular arch)
Peck and peck index (mandibular arch)
Pont's index (maxillary arch)