I was crying because my friend 's would n't take me to the bathroom RIGHT that second . HAHAAHAH . I heard that I was pushing people 'cause I had to go to the bathroom . I also fell and scraped my knee on Hollywood Blvd .

Q with options: Give answer the following question using evidence from the above passage: Why ca n't they remember what happened ?
Pick from:
a). None of the above choices .
b). They have amnesia .
c). They are making up a story .
d). They were drunk .
d).