Read the following context and choose the best option to answer the question.
Context: I wanted to loss some weight as I gained weight about 10 lbs . and mostly of my skirts , dresses , shirts and shorts do n't fit well anymore and I have some good clothes . One time , I tried on some of my clothes but I am annoyed since they are little for me now . It makes me gained weight by just sitting in front of my computer and not doing exercise .
Question: Why was the narrator sitingt in front of the computer ?
Options: 
A. They sit at the computer for work , this leaves little time for exercise .
B. They were too thin and the clothes did n't fit so they wanted to gain weight .
C. They were emailing friends about their recent weight loss .
D. None of the above choices .


A