Assuming the italicized clause is <em>Since its establishment, </em>the correct answer here is elliptical clause.
Elliptical means that a word which would normally be part of a sentence is excluded, usually for stylistic reasons. Here, the verb is missing, which is why it is elliptical. The question is oddly formulated too - given that there is no verb here, it cannot be a clause, but rather a phrase, but since there is no such option here, then the correct answer is elliptical clause.
Prior to Dee leaving home, the everyday objects in her household were just that- everyday objects. She took no special notice of any of them. However, once she returns home, all of these objects represent great culture significance to her. She is incredibly enthused about how great the wooden benches and old quilts are because she thinks it is in-style to be in touch with her own culture.
The underlined words are a metaphor as they compare Fredo to a creature without using like or as.