单选题:如果曲线Y=f(x)在点(x,y)处的切线斜率与x2成正比,并且此曲线过点(1,-3)和(2,11),则此曲线方程为( 

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题目内容:
如果曲线Y=f(x)在点(x,y)处的切线斜率与x2成正比,并且此曲线过点(1,-3)和(2,11),则此曲线方程为(  ). A.Y=3-2
B.Y=2x3-5
C.Y=x2-2
D.Y=2x2-5

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