Read the following context and choose the best option to answer the question.
Context: I ' m at physical therapy yesterday . The therapists work on everyone in the same big room - there 's space for four patients at a time , and it 's nice and friendly and everyone chats with each other while we 're doing our exercises . So the woman on the table next to me looks awfully familiar , but I ca n't place her until I hear here talking to the therapist about skating and rink time and all that .
Question: Why was I at physical therapy ?
Options: 
A. I want to exercise more
B. I want to make new friends
C. I need to work on my strength
D. None of the above choices .


C