The courage shown by the soldiers at this moment of crisis is exemplary.

Answer: Option A

Admirable : arousing or deserving respect and approval.
Clear : easy to perceive, understand, or interpret.
Elementary : relating to the rudiments of a subject.
Suitable : right or appropriate for a particular person, purpose, or situation.
Exemplary : serving as a desirable model; very good.

Synonym of Exemplary is Admirable