如果一个For循环嵌套在另一个循环中，两个循环的计数器变量应该是不一样的。If a For loop is nested in another loop, the counter variables of the two loops should be different.
如果一个For循环嵌套在另一个循环中，两个循环的计数器变量应该是不一样的。If a For loop is nested in another loop, the counter variables of the two loops should be different.
A.正确
B.错误
正确答案：正确