3 Read these sentences from the text. "The footprints looked strangely uneven, and [Mac] felt his stomach drop when he realized that [Anna] must have been dragging her injured leg heavily to make such long, deep marks. He wondered if she was as scared as he was. He began to wonder if people stopped being scared once they turned into zombies..." What conclusion can be drawn based on these sentences? A Mac thinks Anna may have become a zombie. Mac thinks he can save Anna from other zombies. Mac thinks Anna is braver than he is. D Mac feels sick when he sees or thinks about injuries.