Read the following context and choose the best option to answer the question.
Context: I ' ve been extremely busy and stressed lately . Nothing I ca n't handle , just enough to leave me with my wits usually too scattered to post anything coherent for anyone other than myself to understand . And just enough to have me listening to Rammstein 24/7 .
Question: What may be the reason they are so busy ?
Options: 
- They have alot of work that was completed months ago .
 - They have very little work they need to have completed .
 - They have alot of work they have n't completed yet .
 - None of the above choices .


They have alot of work they have n't completed yet .