问题: Accordingtothepassage,whichofthefollowingistrueofthesmallbusinessesintheUS?
A: llofthemclosedowninthefirsttwoyears.
B:Mostofthemfailwithinthefirsttwoyears.
C:Theyallmakebigprofits.
D:Onlyhalfofthemcontinuetooperateafterthefirsttwoyears.
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