Correct option is C
Aeroplane : Hangar :: Guns : ?
Logic:
A hangar is a place where aeroplanes are stored.
Similarly, an armoury is a place where guns/weapons are stored.
Explanation:
a) Granary → stores grains
b) Cellar → stores wine/food
c) Armoury → stores guns and weapons (Correct)
d) Wardrobe → stores clothes
Thus, correct option is (c).