There was a pilot  and four people in a small plane.Suddenly there was something wrong with the machine  while it was flying in the air. The smoke was everywhere in the plane.The pilot told the people there were only four parachutes .They all became worried and started to make excuses . "I must go and mend the machine,"said the pilot , taking one of the parachutes.There was nothing he could do so he jumped out. The first person stood up.  "I'm a doctor,"he said.  "I help people live longer and I save lives"He also took a parachute and jumped out. The next person said , "I must have a parachute.I'm a very clever person.I have to attend  an important sports match.I know I'll win the game because I'll be the cleverest person there."He picked up a pack and jumped out. Two men were left--- an old businessman and a young mountain climber .By this time the plane was going down fast.The businessman said, "Young man,I'm old but you're still young ,You take the last parachute."The yougng mountain climber smiled , "Don't worry."he said, "We can both jump to safety because there are still two parachutes.Just now the clever person jumped out with my backpack." All the people became worried because  _  .
they couldn't find the parachutes. they were afraid the plane would be broken and knew there were not enough parachutes  for each person. there was too much smoke and they couldn't jump out from the plane. they saw the pilot jump out first.