Which phrase in this excerpt from act 1 of henrik ibsen's a doll's house suggests that krogstad is prone to engage in crime and may, in fact, be a criminal? rank: certainly. however wretched i may feel, i want to prolong the agony as long as possible. all my patients are like that. and so are those who are morally diseased; one of them, and a bad case too, is at this very moment with helmer— mrs. linde (sadly): ah! nora: whom do you mean? rank: a lawyer of the name of krogstad, a fellow you don't know at all. he suffers from a diseased moral character, mrs. helmer; but even he began talking of its being highly important that he should live. nora: did he? what did he want to speak to torvald about? rank: i have no idea; i only heard that it was something about the bank. nora: i didn't know this—what's his name—krogstad had anything to do with the bank. rank: yes, he has some sort of app