article: When George was thirty-five, he bought a small plane and learned to fly it. He soon became very good and made his plane do all kinds of flying tricks. 
  George had a friend. His name was Mark. One day, George took him up in his plane. Mark thought, "I travel in a big plane many times, but I didn't travel in a small one, so I'll go."
  They went up, and George flew around for half an hour and did all kinds of tricks in the air.
  When they came down again, Mark was very glad to be back safely, and he said to his friend in a shaking  voice, "Well, George, thank you very much for those two trips in your plane."  George was very surprised and said,"Two trips?" "Yes, my first and my last," answered Mark.
question: In face,Mark had   _   trip(s) with George.
options: one two three Four