Read the following context and choose the best option to answer the question.
Context: { JCrew 's Silk tricotine Cecelia gown}I received my beautiful and perfect dress today ! I had been anxiously waiting since Sunday and it was worth the wait ... I ' m so in love with my dress !
Question: Why might I have been waiting anxiously for the dress ?
Options: 
- Because I do know if the dress will be a good fit since I have n't tried it on .
 - Because I do know if the dress will be a good fit since I have tried it on .
 - Because I do n't know if the dress will be a good fit although I have tried it on .
 - Because I do n't know if the dress will be a good fit since I have n't tried it on .


Because I do n't know if the dress will be a good fit since I have n't tried it on .