During project execution, the customer authorizes and funds a scope change which requires a major change in the schedule. The baseline schedule （）.

A．now becomes the new schedule, including the changes, and the original baseline is disregarded

B．is still the original baseline but annotated to reflect that a change has taken place

C．is amended to reflect the scope change, but the original baseline is still maintained for post-project review

D．is meaningless since every schedule update changes the baseline

简述文档一体化系统中逻辑组卷的两种方式及其工作流程。