以下代码段的输出结果为
1. int x = 0, y = 4, z = 5;
2. if (x >2、{
3. if (y<5、{
4. System. out .println ( "message one" );
5. }
6. else {
7. System.out.println( "message two");
8. }
9. }
10. else if (z >5、{
11. System.out.println("message three");
12. }
13. else {
14. System.out.println( "message four");
15. }
A. message one
B. message two
C. message three
D. message four