In a landslide, once compacted soil becomes saturated with water causing mud and debris to fall and cause a lot of damage on buildings and human life. Landslides can be very dangerous if you are in the right spot at the right time. I hope this helps!! Good luck with whatever you are studying!!
The answer is D. Because it says "her heart was pounding" that usually means u are scared or exhausted. Also because being trapped is pretty fearful. Happy to help!! :) :)