You are working on a very complex project in a highly regulated industry. On your project, there is a significant amount of documentation, which is constantly being revised. Aria, your organizational change management lead, suggests a tool that:

a. Is well known to all stakeholders and allows for easy updating and minimal training

b. Traces and tracks requirements from their origin over the lifecycle of the project

c. Will monitor and evaluate changes for the impact on the organization

d. Locks documents for editing when they are checked out for updating