Answer:
Nora is manipulating Doctor Rank for a favor.
Step-by-step explanation:
In the given excerpt is a part of the story when Nora is blackmailed from Krogstad with whom she had a relationship earlier and from whom she lent money by forging her husband Torvald's signature. Torvald was sick and needed the trip to Italy. Krogstad works at Torvald's bank. Torvald wants to fire him. Then we come to the part of Krogstad's blackmail. So Nora decided to manipulate Doctor Rank, for whom she finds out that he es her, to persuade Torvald to keep Krogstad as an employee. But moral feelings wake up in her and she doesn't want to use his innocent love for liberating herself from the blackmail.