The correct answer is C. Meter
Step-by-step explanation:
Meter, also known as metre refers to the rhythm of a poem, mainly expressed by the number of syllables in each verse or line of the poem and whether this syllables are stressed or not, this implies a combination of stronger sounds and higher pitch in the stressed syllables and softer ones in the non-stressed syllables, which creates a rhythm as multiple combinations in different type of verses create different cadences and remind to a chant, thus, when you read a poem a feeling of chant emerges as sounds create a general rhythm.