Study the following program:

//precondition: x>=0public void demo(int x){System.out.print(x % 10);if (x % 10 != 0){demo(x/10);}System.out.print(x%10);}

Which of the following is printed as a result of the call demo(1234)?

(A) 1441
(B) 3443
(C) 12344321
(D) 43211234

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