Select the option that can be used as a one-word substitute for the given group of words.
A speech made without preparation

Correct option is A

Meaning of the given words:
• Extempore: A speech or performance given without prior preparation or rehearsal.
• Rhetoric: The art of effective or persuasive speaking or writing, especially the use of figures of speech and other compositional techniques.
• Deliberation: Careful and lengthy consideration of a problem or decision before reaching a conclusion.
• Spontaneous: Occurring or done without any planning or prior preparation.
• Option (a) Extempore is the correct answer as it best represents the given group of words.