Explain how making connections you as a reader to understand a story

This poem describes a train as if it were a horse. what literacy device does the poet use in this poem?

1. in which sentence is the underlined portion a predicate nominative? for astronauts, going into space to repair orbiting equipment becomes a challenge. for astronauts, going into space to repair orbiting equipment becomes tricky. for astronauts, going into space to repair orbiting equipment becomes challenging. for astronauts, going into space to repair orbiting equipment becomes frequent.

[1] on her way home from practice, rebekka found a gold man’s watch. [2] she wasn’t sure what to do. [3] there was no name engraved on the back. [4] looking at the gold links on the band, the watch seemed to rebekka to be expensive. [5] she felt badly that someone had lost such a nice watch. what is the best revision of the troublesome modifier in sentence 5?