Choose the option which can be substituted for the given words/sentence.
To express vehement protest.

Correct option is B

The correct one-word for the given group of words is (b) Fulminate.
The word fulminate means to express vehement protest or explode with intense force, often used figuratively for passionate complaints or criticism.

Correct word: Fulminate (जोरदार विरोध करना)
Use in a sentence: The citizens fulminated against the government’s decision to increase taxes.

Meanings of the other given options:

• Invigorate: (ऊर्जा देना)
  To give energy or strength to something.
• Exaltation: (उत्साह)
  A feeling or state of extreme happiness or glorification.
• Languish: (मुरझाना)
  To become weak, feeble, or lose vitality.