SEO是指搜索引擎营销。

单项选择题Jane has been sick for a few days, and you want to lend her your notes, which of the following one is suitable? A、Jane, do you need a hand with your study? I can lend you my notes. B、Jane, here is my notes for you. C、My notes D、Give you my notes

单项选择题（ ）函数通常用来对列进行汇总统计如求平均值、列的最大值、最小值等。