He could n't believe i was alive , until i walked up to him and i told him , " now what ? yes i m dead , so you ca n't get rid of me , how is everyone seeing me ?

Choices:
1). He may have walked right through them ..
2). He may have passed out ..
3). He may have no recollection of who they are ..
4). He may pretend not to notice them ..
Q: What may have happened after the boy saw their dead friend ?
2).