單項選擇題

現(xiàn)有: 
class  Wrench2  {     
int size; 
public static void main(String  []  args)  {     
Wrench2 w=new Wrench2();     
w.size=II; 
Wrench2 w2=go(w, w.size);    
System. out .print (w2. size);     
} 
static Wrench2 go(Wrench2 wr. int s)  {     
S=12; 
return wr;    
}    
}
結果為()    

A. 11
B. 12
C.編譯失敗
D.運行時異常被拋出

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