Concept:The prominence given to a syllable in pronunciation is called accent.Explanation:Accent refers to the extra force or emphasis placed on a particular syllable while speaking.Meter is the pattern formed by stressed and unstressed syllables in a line.Rhythm is the overall flow or movement of sounds in speech or poetry.Rhyme is the repetition of similar sounds, often at the end of lines.Since the question asks specifically about emphasis on a single syllable, the correct term is accent.Answer:C. accent