Lines 16-20 (“But something . . . to you”) primarily serve to show the speaker’s distress at being unable to form a real connection with the subject of the poem. Answer A: show the speaker’s distress at being unable to form a real connection with the subject of the poem. A illustrate the speaker’s conviction that effort is needed to overcome obstacles. Answer B: illustrate the speaker’s conviction that effort is needed to overcome obstacles. B describe the motivation behind the speaker’s interest in physical activity. Answer C: describe the motivation behind the speaker’s interest in physical activity. C portray the speaker as someone obsessed with trivial details.