The correct option is
C Manly
'Virile' means powerful, strong or energetic.
Option A - 'Athletic' means strong, healthy, and good at sports. Thus option A is incorrect.
Option B - 'Pompous' means too serious or full of importance. Thus option B is incorrect.
Option D - 'Boastful' means praising yourself and what you have done. Thus option D is incorrect.
Option C - 'Manly' means having the qualities of being powerful, strong and masculine. Thus option C is the correct answer.
'Virile - Manly'