1. public class SimpleCalc { 
2. public int value； 
3. public void calculate（） { value += 7； } 
4. }
And： 
1. public class MultiCalc extends SimpleCalc { 
2. public void calculate（） { value -= 3； } 
3. public void calculate（int multiplier） { 
4. calculate（）； 
5. super.calculate（）； 
6. value *=multiplier； 
7. } 
8. public static void main（String[] args） { 
9. MultiCalc calculator = new MultiCalc（）； 
10. calculator.calculate（2）； 
11. System.out.println（”Value is： “+ calculator.value）； 
12. } 
13. } 
What is the result？（） 

A. Value is： 8
B. Compilation fails.
C. Value is： 12
D. Value is： -12
E. The code runs with no output.
F. An exception is thrown at runtime.