Your clock has run –––. (১৮তম শিক্ষক নিবন্ধন স্কুল: ২০২৪)

The correct answer is option (c) "down." The phrasal verb 'run down' (for a clock) means the battery or spring has lost its power and the clock has stopped working. Example: 'The battery has run down.' / 'The clock ran down at midnight.' ✗ 'Run out' = to be used up (for supplies). ✗ 'Run up' = to increase rapidly. Source: Cambridge Dictionary of Phrasal Verbs.