Select the most appropriate option to fill in the blank.
It is better to end up certain matters than________ a dead horse.

Correct option is D

The correct option to fill in the blank is (d) beating.
Explanation: The sentence refers to a well-known idiom — to beat a dead horse, which means to waste time on something that has already been decided or resolved. (Hindi meaning: मरे हुए घोड़े को पीटना – व्यर्थ प्रयास करना)
Example: Trying to convince him again is just beating a dead horse.
Why other options are incorrect:
· Talking – (बात करना): Doesn’t complete the idiom.
· Riding – (सवारी करना): Not used in this idiom.
· Coaching – (प्रशिक्षण देना): Irrelevant to the idiom's meaning.
Other related idioms and meanings:
· Cry over spilt milk: Worry about something that can’t be undone.
· Add fuel to the fire: Worsen an already bad situation.