it's the third time ___ late this month
问题描述：
it's the third time ___ late this month
a.that you arrived b.when you arrived
c.that you've arrived d.when you've arrived
为什么选C,怎么分析
答
这个月你已经迟到了3次,因为是“迟到”这个动作已经完成了,所以是 you've arrived late