Below a word is given followed by three sentences which consist of that word. Identify the sentence/s which best expresses the meaning of the word. Choose option 5 (None of these) if the word is not suitable in any of the sentences.

(A) Round the waist over the tunic was worn a leathern girdle having a broad iron buckle damascened with silver.

(B) Large generators can overcharge batteries, ultimately destroying them as the electrolyte boils away and the plates heat up and buckle.

(C) The air hostess requested the passengers to buckle up their seat belts as the airplane was about to land.