The lines from Passage 2 suggest that the speaker is seeking comfort and a sense of calmness in a moment of fear. By flipping through a dictionary and selecting the word "hush," the speaker appears to be trying to quiet their anxieties or fears. This indicates a desire for peace and reassurance, particularly in the face of change.
Therefore, the best answer is:
A. They show that the speaker tries to be calm in the face of change.