【单选题】

{{B}}Passage OneQuestions 11 to 13 are based on the passage you have just hearD、{{/B}}

A、Differences between people will gradually disappear.
B．Differences between people will not exist as one hopes.
C．Differences between people will always continue to exist and the world will be a dull place.
Differences between people do exist even though different nationalities behave exactly alike.