You can clearly make out the poetic structures in <span>Sonnet </span><span>147. The first four lines are the quatrain wherein the rhyming has a pattern or ABAB. It is also in these lines that metaphors are used. The couple has a rhyming pattern of CC and is usually used to give a summary or an idea of the next image.</span>
Whatever they saiddddddddddd
The phrase from the excerpt that suggests that Krogstad is prone to engage in crime and may, in fact, be a criminal is the following one:
diseased moral character
It is the only option that talks about somebody being a bad person, which is what Krogstad is. The other options do not show that moral ambiguity this option does.
Maybe singing that would be a good start.
