Which attributes of this poem by ezra pound are characteristic of modernist poetry? (can be multiple answers)

in a station of the metro
the apparition of faces in the crowd;
petals on a wet, black bough.

1. the economic use of language
2. the absence of allusions to other works
3. the lack of any indication of what the speaker thinks
4.a precise image conveyed through an unexpected metaphor
5. the close relation between the title and the poem