Read the following context and choose the best option to answer the question.
Context: So today Mary calls to inform me that she wo n't come in tonight . Which means i ' m working from 5 to 7 on my lonesome . Around 5:30 the shipping department comes up to steal a desk for a new employee in the LVN department .
Question: What may be the purpose of the post ?
Options: 
A. To describe my boss
B. None of the above choices .
C. To describe my sister
D. To describe my job


D