Final answer:
All candidates of the navy-wide advancement exam receive Pass Not Advanced (PNA) points, which accumulate to improve future advancement opportunities.
Step-by-step explanation:
The navy-wide advancement exam candidate groups that receive pass not advanced (PNA) points are D) All Candidates. PNA points are awarded to all sailors who sit for the advancement exam but do not advance. This is intended to give credit to those sailors who have shown potential and to reward them for their continual effort each time they take the exam. PNA points accumulate over time and can improve a sailor's chance of promoting in future exams. These points can be crucial as they can make the difference between two candidates with similar exam scores in future advancement cycles.