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A.y2=8-4x B.y2=4x-8 C.y2=16-4x D.y2=4x-16
A.y2=8-4x B.y2=4x-8
C.y2=16-4x D.y2=4x-16
曲线y2=4x关于直线x=2对称的曲线方程是( )