单项选择题

A company utilizes the GFS backup standard. Which of the following describes(解释,翻译,描述) this backup method(方法,方式) ?()

A. Greatest(最好的),Final,Sequential(有序的)
B. Full,Partial,Incremental
C. Monthly(每个月),Weekly(每星期),Daily(每天)
D. Full,Differential,Incremental