For the first question regarding the effect of the author's use of longer line lengths in lines 17–18, the correct answer is:
B. The longer line length calls attention to these key lines about hardships.
This choice highlights how the extended lines emphasize the weight and significance of the struggles faced, reflecting on the gravity of the journey described.
For the second question about the author's use of apostrophes in lines 12 and 18, the correct answer is:
A. ensure the stressed and unstressed syllables alternate.
The apostrophes indicate omitted sounds or syllables, which helps maintain the rhythmic flow of the poem while adhering to the patterns of stress and unstress in the meter.