A. arrest because apprehend means to arrest someone who's done crime.
John Proctor
Explanation:
John Proctor is the protagonist of the play. Once he enters the play, the real plot begins. Up to that point, the play's exposition has introduced the town, some of the people in the town and the situation that will drive the plot: the accusations of witchcraft.
The correct answer for the question that is presented is this one: "The Greeks inside the horse remain quiet because if they create noise, their plan won't be easily be done. The reason why they stay inside the horse because they want to secretly go inside the place and start to attack.