Given the following code：     1） public void modify（） {     2） int i， j， k；     3） i = 100；     4） while （ i > 0 ） {     5） j = i * 2；  6） System.out.println （" The value of j is " + j ）；     7） k = k + 1；     8） i--；     9） }  10） }  Which line might cause an error during compilation？（）   

• A、 line 4
• B、 line 6
• C、 line 7
• D、 line 8