Select the option that can be used as a one-word substitute for the given group of words.
The act of expressing profound and often bitter grief or lamentation, especially in a public or formal setting, for a loss that is perceived to be irrecoverable

Correct option is A

The correct option is (B).

Explanation: The correct one-word for the given group of words is Jeremiad. A jeremiad is a long, mournful complaint or lamentation; a list of woes. It is often characterized by a bitter or deep expression of grief over a perceived irrecoverable loss or the state of society. (विलाप / शोकपूर्ण शिकायत)
Example: The speaker delivered a long jeremiad against the decline of traditional values in modern society.

Meanings of the given other options:

• Eulogy: A speech or piece of writing that praises someone or something highly, typically someone who has just died. (प्रशंसा भाषण)
• Panegyric: A public speech or published text in praise of someone or something. (स्तुति)
• Soliloquy: An act of speaking one's thoughts aloud when by oneself or regardless of any hearers, especially by a character in a play. (आत्मभाषण)