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 .

OPTIONS:
(1). I was exhausted from working out .;
(2). I was waiting on my friend .;
(3). I was worn out from walking .;
(4). I wanted to take a nap .;
Q: What may have been the plausible reason for me sitting on the bench ?
(3).