单选题 John Smith is a very forgetful professor. He often forgets about his meetings, lessons, and even meals!
Last summer Mr. Smith decided to take his children to a seaside town. The town was about a three-hour train ride away. Mr. Smith kept the name of the town a secret because he wanted to make the trip more interesting to his young children.
They left on a Sunday morning. When they arrived at the station Mr. Smith found that he had forgotten the name of the town he was planning to visit. Luckily a friend of his happened to be in the station. The friend said he would look after the children while John hurried home to find out where he was going. When he came back home, Mrs. Smith was surprised to see her husband.
"Oh, my dear, I forgot the name of the town." "What? You forgot the name of the town? Maybe one day you will forget my name! Now I'll write the name of the town on a piece of paper. Please put it in your pocket, and do not forget where you put it."
Mr. Smith left in a hurry. Ten minutes later, Mrs. Smith saw her husband again outside the house. "I didn't forget where I put the name of that town, but I forgot where I had left our children!" said Mr. Smith.