题目内容：
根据下列材料请回答题：Harrywasaboyoffourteenyearsold．Hewastallandstron9．Andheranthefastestinhisclass．Soeveryonewasveryproudofhiminhisclass．Anewstudentcametohisclassamonthago．HisnamewasMike．Hewasthinandshort．Buthisclassmatesfoundthatheranveryfastwhiletheywereplayingfootball．TheywantedtoknowifMikecouldrunfasterthanHarry．Jack，oneof
Harry’Sfriends，toldHarryaboutit．Ofcourse，Harrydidn’tbelieveit．
“Whynothavearacewithhim?”saidJack．“That’sagoodideal'，saidHarry．“Gototelltheunluckyboy．I'llhavearacewithhimtomorrowmorning．”
Earlythenextmorning，Harrygotreadyfortherace．Hewassurethathecouldbefirst．Jackdidn’twakeupontimeandcouldn’tgowithhim．ThateveningJackwenttoseeHarry．Theybegantotalkabouttherace．Harry’Sgrandmaheardtheminthenextroom．Shecameinandasked，“What’Stheresult，Harry?”
“Iwasthesecond．Grandma．”answeredHarry．
“Congratulationstoyou!”theoldwomansaidhappily．“AndhowwasMike?”
“Hewasthelastbutone．”Harry”classmateswereproudofhimbecause______. A．hewastall
B．hewasthetopstudentinhisschool
C．heranfastestinhisclass
D．hewasstrong
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