i was " that girl . " i did n't care , it felt so awful i could have cared less about what people thought of me throwing up . they would n't let me on the plane .
According to the above context, choose the best option to answer the following question.
Question: Why may the narrator have a stain on her shirt ?
Options:
A. None of the above choices .
B. The narrator was throwing up .
C. The narrator was cooking .
D. The narrator was eating .


B