一个较难的英语完形填空（1个空）,高手帮忙Indealingwithmanychallengesthatfriendshipwillbringtoyou,trytoseethemfor（50）whattheyare：smallhurdlesyouneedtojumporgetthroughonyourwaythroughlife.Nothin

　　一个较难的英语完形填空（1个空）,高手帮忙

　　Indealingwithmanychallengesthatfriendshipwillbringtoyou,trytoseethemfor（50）what theyare：smallhurdlesyouneedtojumporgetthrough onyourwaythroughlife.Nothingissobigthatitisimpossible togetover,andhurtonly（53）tomakeusstronger.Itisallpartofgrowingup,ithappenstoeveryone,andsomedayyouwilllookbackon allofthisandsay,“Hardasitwas,itmakemewhoIamtoday.Andthatagoodthing.”

　　53、A：serves B：means C：aims D：attempts

　　答案是A,我想知道原因和serve的意思,其余的为什么不对呢?高手帮忙