In front of us was walking a bare-headed old man in tattered clothes. He was driving his beasts. They were all laden with heavy loads of clay from the hills and looked tired. The man carried a long whip which perhaps he himself had made. As he walked down the road he stopped now and then to eat the wild berries that grew on bushes along the uneven road. When he threw away the seeds, the bold birds would fly to peck at them. Sometimes a stray dog watched the procession philosophically and then began to bark. When this happened, my two little sons would stand still holding my hands firmly. A dog can sometimes be dangerous indeed.
The expression "a stray dog watched the procession philosophically" means that
(a) the dog was restless and ferocious.
(b) the dog stood aloof, looking at the procession with seriousness.
(c) the dog looked at the procession with big, wondering eyes.
(d) the dog stood there with his eyes closed.
