I kept hearing car noises . The time turned to early morning and I was still awake listening to music on the computer . Then , there was pounding on door , almost opened and my grandma yelled at me to shut it . I shut and locked it again and looked through the eye hole thing .

Question with options to choose from: What may have happened before the pounding on the door ?
Options are: +None of the above choices .. +I thought I heard noises made by a vehicle .. +I kept hearing noises made by an ambulance .. +I kept hearing my grandma yelling at someone ..
I thought I heard noises made by a vehicle .