Correct option is B
The correct sentence is (b)
After listening to a long speech, Tanuja felt exhausted and devoid of energy.
Listless: lacking energy, enthusiasm, or interest (Hindi: सुस्त / निढाल)
Example: He felt listless after a long and tiring day at work.
Why others are incorrect:
· (a), (c), and (d) refer to unrelated contexts and do not reflect low energy or exhaustion.