Answer:
In the first stanza, she says that if she cannot do what she wants, she can at least refuse to do what she doesn't want to do
Explanation:
The subject sets the idea/topic of the story whilst the theme alters and sets the mood for the subject of the story.
The linking verb is "tastes" because it connects the subject and predicate.
The word that goes, or better expressed, is a synonym for edge is: precipice because it has both the literal and metaphorical connotations just as edge does. It means a very steep or overhanging place, like in a cliff, and it also means to be at the brink of a situation just like edge.
The other words do not match both or any of the definitions of edge.