Select the most appropriate idiom that can substitute the highlighted words in the given sentence.
I have been a vegetarian for a very long time.

Correct option is A

Option (a) is the correct idiom for the highlighted words.
Donkey’s years: means a very long time, typically used to exaggerate duration. (Hindi: बहुत लंबे समय से)
Example: I haven’t seen you in donkey’s years!

Other Options: · (b) duck in the thunderstorm – not an idiom, incorrect.
· (c) die in harness – means to work until death without retiring. (Hindi: सेवा में रहते हुए मरना)
· (d) Damocles’ sword – refers to a constant threat or danger hanging over someone. (Hindi: सिर पर लटकती हुई तलवार)