Final answer:
You have to remove your wall certificate if you are not using it. The correct answer is A.True.
Step-by-step explanation:
The answer to the question is A.True. If you are inactive, it means you are not actively participating or involved in something. Taking your wall certificate down refers to removing it from public display or recognition. Therefore, if you are inactive, it is appropriate to take your wall certificate down as it no longer accurately represents your current status or involvement.