What is the effect of the poetic structure of the poem "the raven"? the rhyming lines in each stanza create a hypnotic rhythm. the meter in the poem creates a reflective tone. its length lends itself to a moderate and reasonable pace for readers. the five lines and the refrain in each stanza create consistency for readers.

C) Barack Obama, who won the presidential election in 2008 and was inaugurated in 2009.

Explanation: sentence fragment is a group of words that form a dependent clause (it doesn't make sense on its own), in order to be a complete sentence, it has to be at least one independent clause (a phrase that has a subject, a verb and has meaning on its own). From the given options, the phrase "Barack Obama, who won the presidential election in 2008 and was inaugurated in 2009" is an example of a fragment because it is a dependent clause.