SPIN协议中使用了哪些数据分组？

未知题型SPIN协议中使用了哪些数据分组？

I would like to see a film this evening, but things are...

单项选择题I would like to see a film this evening, but things are ______ my control and I have to work. （ ） A. in B. under C. beyond D. through

下列行为中哪些是用于数据扩散的？

未知题型下列行为中哪些是用于数据扩散的？