Answer:
The statement that best explains the effect this has for the reader is It causes the lines to stand out so the reader reflects on their importance.
Explanation:
The rhyme of the stanzas can be modified by the poet pursuing different objectives, for example it can change the intention or de mood of what is being said, as it can also emphasize the words it contains, in this case, this change of rhythm is making this lines to stand out from the rest which makes the reader analyze them and think about them in dept.