Final answer:
The best inference about Torvald's character is that he is concerned with other people's perceptions of him and of his standing, based on how he interacts with Nora and his opinions on social matters.
Step-by-step explanation:
The best inference about Torvald's character, based on the passage provided, is that Torvald is concerned about other people's perceptions of him and of his standing. He clearly shows a preoccupation with societal norms, reputation, and the appearance of things. His interactions with Nora, where she seeks his approval on what to wear, and his opinions on Krogstad's actions reflect a man who values societal views and traditional roles. His character suggests a need for control and a belief in the influence of parents on their children’s lives, but above all a concern for how he and his family are perceived by others.