Select the most appropriate one-word substitution for the given group of words.
Rhythmic flow of sounds or words.

Correct option is B

The correct one-word for the given group of words is (b) Cadence.
Cadence refers to a rhythmic flow or pattern of sound or words, often used in poetry, music, or speech. (ताल, लय)
Example: The cadence of her speech kept the audience engaged throughout.
Meanings of the given other options:
· (a) Credence – belief or acceptance that something is true (विश्वास)
· (c) Copious – abundant in quantity (प्रचुर)
· (d) Crescents – moon-shaped objects (अर्धचंद्र)