(2004•扬州)如图,在一个规格为4×8的球台上,有两个小球P和Q.若击打小球P经过球台的边AB反弹后,恰好击中小球Q,则小球P击出时,应瞄准AB边上的( )

A.点O1
B.点O2
C.点O3
D.点O4
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A.点O1
B.点O2
C.点O3
D.点O4