根据下面短文回答下列问题。 There were three professors at the railway station. They were deep in conversation. The train had just arrived, but they didn’t see it. Then the guard (列车员) shouted (喊道), "Take your seats, please!" The professors heard the shouts and rushed for the train. Two of them got on the train before it moved. The third one was left behind. He looked sad. One of his students was at the station. He told the professor, "It wasn’t too bad, sir. Two out of three got on the train." But the professor said, "It was my train. My two friends only came to say goodbye.\ The three professors didn’t see the train, because ______
A. [A] They were deep in the water
B. They were wearing glasses, and couldn’t see clearly
C. They were deep in talking
I heard a story the other day about a very proud pig. The pig lived on a farm with a lot of other animals. Of all the animals on the farm, he thought himself the most important. But it was not enough that he himself thought so, he had to be sure that the other animals thought so, too. So he went up to one of the chickens and said: "Who is the most important animal on this farm" .Straight away, the chicken answered: "You are, master." Then he asked one of the farm dogs, and he received the same reply. The pig lived on a farm with ______. [A] chicken and dog [B] cow and horse [C] a lot of other animals
At last, the pig asked a big horse. "Who is the most important animal on this farm" The horse lifted one foot, rolled the pig over, and placed his foot on the pig’s head. "All right," said the horse, "you don’t have to do that, just because you don’t know the answer.\