During geometry class, Tori asks to be excused to use the restroom. The restroom is located in a different hallway, and Tori must walk several hundred feet to reach it. As she exits the restroom, an announcement is made that the school is being locked down. Tori does not know why the "shelter in place” alert has been given. It could be a drill, but she does not know for certain. What is the best choice Tori should make to ensure her safety? return to her geometry class run back to the bathroom and hide in a stall enter the nearest occupied classroom use her cell phone to call the school office