Need to see the passage dust storm to answer
Answer: The world of Forms is “ideal” rather than material; Forms, and beauty, are non-physical ideas for Plato. Yet beauty is objective in that it is not a feature of the observer's experience.
I think the answer is B. Because there is a period before the sentence: "The cookies were not eaten by the children" choice B contains the misplaced modifier. Unless that was a typo.
Hope this helps!:)
Went because you are doing the action to go to Phoenix.
~JZ
Hope it helps.