It 's been a very , very strange day . It started badly at midnight as I was babysitting the replacement of a switch in our London datacenter and it was running over . I did n't get to sleep until 0300 .
According to the above context, choose the best option to answer the following question.
Question: Why is the narrator having to monitor the work place ?
Options:
A. None of the above choices .
B. This is a typical day for them .
C. They work the night shift .
D. It possesses sensitive data .


D