单选题

以下选项中循环结构合法的是:

Question

A. while(int i<7){i++System.out.println("i is "+i)}

B. int j=3while(j){ System.out.println("j is "+j)}

C. int j=0for(int k=0j+k!=10j++,k++){System.out.println("j is "+j+"k is" +k)}

D. int j=0 do{System.out.println("j is "+j++)if(j==3){continue loop}}while(j<10)