abstract class abstrctIt&en

abstract class abstrctIt {  abstract float getFloat （）；  } public class AbstractTest extends AbstractIt { private float f1= 1.0f；  private float getFloat （） {return f1；}  }   What is the result？（）  

• A Compilation is successful.
• B An error on line 6 causes a runtime failure.
• C An error at line 6 causes compilation to fail.
• D An error at line 2 causes compilation to fail.