Read the following context and choose the best option to answer the question.
Context: . . I do n't know if you have a main artery in your thumb but I found one . And I got it all bandaid - ed up .
Question: How did the writer find an artery in their thumb ?
Options: 
- They were looking for veins in their thumb .
 - None of the above choices .
 - They used a device to detect the vein .
 - They accidentally cut their thumb .


They accidentally cut their thumb .