What kind of inward and subjective ideas does the poet want to convey in the poem “In a Station of the Metro”?

At a pessimistic level, beauty is transient.
B. At an optimistic level, the poem may imply that even in such a gloomy underground railway station, beauty can still startle people with unusual force.
C. At a pessimistic level, the alienation produced by industrial civilization and capitalism makes “these faces” which symbolize beauty very few.
D. At a pessimistic level the poet reflects the feelings of a heart-broken man who resides in a place far away from his hometown.