I'm in sixth grade this might no be right if I were you I would get a second opinion though I think it it letter C.
The word pair that would be best to complete the analogy: emblem:insignia is the guard:sentinel. An analogy is a similarity of both things. The words guard and sentinel share the same meaning just like the analogy; emblem:insignia. The answer is the analogy guard:sentinel.
Answer:
it is definitely C.
Explanation:
to appreciate the nuances of letter-sound relationships.
It is c hope this helps. !