Read the following context and choose the best option to answer the question.
Context: My bag had n't been * visible * from the door ; in fact , it was on a shelf above my desk in anticipation of moving said desk ( which then did n't happen ) . And now my bag was moved down , sitting on top of my desk , still containing phone and sunglasses but now sans wallet . I cursed and quickly checked for anything else missing .
Question: Why is it important that I could n't see my purse ?
Options: 
A. Someone robbed me without being witnessed .
B. I am scatterbrained and lost my purse .
C. I have a phobia about my purse and have to be near it at all times .
D. None of the above choices .


A