【单选题】
{{B}}pAssAgE thrEE{{/B}}
whAt sEEms to BE A rEAsonABlE ExplAnAtion For thE FinDings ACCorDing to thE pAssAgEA.stuDEnts inCAmBriDgE tEnD to BE hEAvy smokErs.
B.stuDEnts inCAmBriDgE ArE poor.
C.stuDEnts inCAmBriDgE smokE A lot.
D.smoking CAn hElp pEoplE to ConCEntrAtE.