Which of the Following Functions Does a Project- and Issue-Tracking

Multiple Choice

Which of the following functions does a project- and issue-tracking software perform?

A) comparing and analyzing a project with a competitiors' project in the market
B) tracking versions of the code and acting like a library with checkout procedures
C) allowing customers to view the status of a product right before its launch in the market
D) maintaining a complete history of project activity, including dates and tasks assigned