單項(xiàng)選擇題

1) class Person { 
2) public void printValue(int i, int j) {/*…*/ }    
3) public void printValue(int i){/*...*/ }    
4) } 
5) public class Teacher extends Person {    
6) public void printValue() {/*...*/ }    
7) public void printValue(int i) {/*...*/}    
8) public static void main(String args[]){    
9) Person t = new Teacher();    
10) t.printValue(10);    
11) }   
12) } 
Which method will the statement on line 10 call? ()  

A. on line 2
B. on line 3
C. on line 6
D. on line 7

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