Which sentence has no errors in punctuation? A. Baby Ben wanted to go on a pony ride yet, once he got on the pony he started to cry. B. I took the boys on the merry-go-round, and then we sat at a picnic table, and ate lunch. C. The bus might stop here or we may have to walk over a couple of blocks, to catch it. D. We may have to take a taxi cab, but let's start walking.