What is the effect of repeating the phrase "I've known rivers . . ." in the poem, "The Negro Speaks of Rivers"?

Question 10 options:

By repeating these phrases, the speaker wants you to remember the names of the rivers.


By repeating these phrases, the speaker is starting new stanzas.


By repeating these phrases, the speaker is telling you about their friend, River.


By repeating these phrases, the poet emphasizes the important ideas and mimics the movement of the river.