單項選擇題

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.

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