Read the following context and choose the best option to answer the question.
Context: I was pacing down the sidewalk with the cheer of a dead person . My hands barely felt the paper grocery bags rubbing up against them , mainly because I was in la - la land . " Let 's take a break , " Raine offered , ushering me to a bench .
Question: What may have been the plausible reason for me sitting on the bench ?
Options: 
A. I was waiting on my friend .
B. None of the above choices .
C. I was tired of walking .
D. I was exhausted from working out .


C