Read the following context and choose the best option to answer the question.
Context: Several months ago I stubbed my toe on our thing you put your feet on that comes with the living room set . I had a gross black mark for months . Well , today I was looking on my toe and noticed that I no longer have a toenail there . I am so glad I did n't know when it came off because I would have thrown up .
Question: What may be the reason why their toenail fell off ?
Options: 
A. Because of the trauma to the foot .
B. Because they ripped it off by accident .
C. Because they had it removed .
D. Because their feet are numb , the could n't tell .


A