1. Having the audio shift from Kalanithi's voice to a child's voice in the middle of the poem
A. is not effective because it distracts from the words of the poem and its meaning.
B. is not effective because no one explains why a child is reciting this part of the poem.
C. is effective because it parallels the shifting point of view in the poem.
D. is effective because it suggests the passage of time from one generation to the next.