Read the following context and choose the best option to answer the question.
Context: I called Sprint to inquire about some charges on my bill . The operator said that she would take care of it . Low and behold nothing was done .
Question: Why is the narrator so upset at Sprint ?
Options: 
A. They are experiencing a broken phone .
B. They are experiencing bad reception .
C. They are experiencing a shady billing process .
D. None of the above choices .


C