<span>Option D is the correct choice. It indicates, better than the other options, how the narrator is unable to enjoy a simple nights rest. The usage of "alas" shows that this was the final straw in the torment, not being able to sleep anymore. Compared to option A where the narrator is still able to state clearly that they are not mad. Option B only shows a dislike which doesn't stress the torment requirement from the question. Option C does show torment but it more so indicates the early stages of this happening.</span>
if you are just jumping into a thought then it isn't wrong.
example:
So today Dustin and I....
if you are doing a proper sentence then yes it is considered and error
The sugar plantations had a 25-hour cycle