I would agree with you - the conclusion should leave readers with an important thought at the end.
This thought should never be new, or opposing to the previous ideas you had been writing before. It also shouldn't be confusing, but quite conversely - it should explain everything and put everything in place.
My best guess would be A. knowing how to dissect a test and it’s questions
Theseus' actions most advance the development of the plot.
The answer is B...knowing about her heart condition develops her character, this in turn makes her later death believable because she has been characterized as someone with a fragile heart.
Answer:
180° is the right answer to the question