<span>The correct answer to this question is that the aspect of this excerpt that most clearly marks it as a work of modernism is the fact that it supports the idea that everything everywhere eventually changes. This is illustrated by the narrator discussing growing old whilst integrating childish imagery to create a playful juxtaposition.</span>
"With a bald spot in the middle of my hair—" and "They will say: “How his hair is growing thin!”
Explanation:
The lines that indicate that the speaker is concerned about what others think of him are: "With a bald spot in the middle of my hair—" and "They will say: “How his hair is growing thin!”
