Answer:
The white-faced ghost-like commuters.
Explanation:
<em>In A Station of the Metro</em> is an imagist poem written by Ezra Pound, an American poet and critic who played an important role in the early modernist poetry movement. It consists of only two lines:
<em>The apparition of these faces in the crowd:
</em>
<em>Petals on a wet, black bough.</em>
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In his poem, Pound describes a moment in the underground metro station in Paris in 1912. He described a crowd of people - the commuters. The definition of the word apparition is: <em>a ghost or ghostlike image of a person. </em>
Based on this, we can conclude that the word <em>apparition </em>refers to the white-faced ghost-like commuters.