One of Your Teams Is Maintaining and Updating an Application

One of your teams is maintaining and updating an application that has grown into three distinct modules. The modules are on different release cycles. The team is struggling to track the versions of the modules, because they have similar numbering schemes. Which action would you recommend?

A) Define an issue type for each module.
B) Create a new Version field for each module.
C) Split the modules into separate components.
D) Split the project into several projects, one for each module.