Read the following context and choose the best option to answer the question.
Context: But then they slid a plastic tube in and the needle it and it was fine . They said I would feel cold going up my arm , but I never did . I remember the doctor telling me I would start seeing the walls move a little , but I was n't .
Question: Why is the plastic tube being slid in the narrator 's arm ?
Options: 
A. The narrator is being given ill treatment .
B. None of the above choices .
C. The narrator is being given medical treatment .
D. The narrator is being toyed with by doctors .


C