Sarah is taking a Dynamic Study Module. She works best when she has a clear idea of what she has done and how much she has left. What’s the best thing Sarah can do?

The best thing Sarah can do is to reveal the Module Completion Status.

Explanation:

Dynamic study Module functions by consistently evaluating one's  activities and performance, use of data and  also critical analysis of data/statistics to give individualizes(one's owned) content in real-time to reinforce concepts that focus  mainly on student's strengths and  their weaknesses. within the modules, helps you to see the progress of your student in the course taken.  it can be completed, unlocked, or locked and when it has no completion requirements, or students have completed the requirements,  it will be marked as completed.

Sarah by revealing  the Module Completion Status, will help one to see her progress so far.