Respuesta :
Option C would be the most appropriate answer as the setting of the act communicates the sinister acts that will take place in it. At a first glance, option A seems suitable. However, the witches do not appear in the second act.
Answer: C. Dark skies and eerie sounds surround the castle.
Explanation: Shakespeare establishes the mood of events in Act II by creating dark skies and eerie sounds surrounding the castle