People in those difficult places do not forget the law of hospitality to the stranger—for their God may decree that they too shall become strangers on the face of the earth.
A、...because they believe that one day fate might take them to some foreign land.
B、...because they hope that their kindness might help them make friends all over the word.
C、...because they are afraid that an unfriendly host might be an unwelcome visitor someday.
D、...because they are sure their friendliness could bring them the chance to travel around the world.
【正确答案】：A
