Ordinarily , I would have finished those edits before the phone calls , but I just had n't gotten back into the groove ... Thursday afternoon I skipped lunch with my group to finish some work and I missed an internal deadline by an hour . Friday , I got the missed - deadline contract back from my supervising partner and I was embarrassed . I had missed several changes . I had made errors that showed I was rushed .

Options:
[+] They 've been on vacation .
[+] They started a new job .
[+] None of the above choices .
[+] They have a new computer system .
Answer the following question: What may be the reason for them not getting back into the groove ?
They 've been on vacation .