I'm not sure if that's what you meant to spell the last answer choice as or not but the rest of them aren't synonyms for hospitals so I'm going to assume you meant infirmary
The correct answer is "B. static" because in the quote given Nora says that for Torvald and herself to change, it would take a miracle, and a static character is a character that does not change through a story, a character that remains the same from the beginning to the end.