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【单选题】
下列循环语句合法的是（ ）A.
while(int i<7){ System.out.println(“i is ”+i); i++; }
B.
int i=1; while(i){ System.out.println(“i is ”+i); }
C.
int i=0; for(int i=0;i<7;i++){ System.out.println(“i is ”+i); }
D.
int i=0; do{ System.out.println(“i is ”+i++); if(i==3) continue; }while(i<7);
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