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单项选择题 1. public class X { 2. public static void main （String[]args） { 3. int [] a = new int [1] 4. modify（a）； 5. System.out.printIn（a[0]）； 6. } 7. 8. public static void modify （int[] a） { 9. a[0] ++； 10. } 11. } What is the result？（）: A、 The program runs and prints “0”; B、 The program runs and prints “1”; C、 The program runs but aborts with an exception.; D、 An error “possible undefined variable” at line 4 causes compilation to fail.; E、 An error “possible undefined variable” at line 9 causes compilation to fail.

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