If you are organized things will be much more easier for you. You will be more responsible with turning in work and you’ll also be more focused and know where everything is at.
The conjunction that bestfits the run-on sentence is
d. and
That the person is nervous, restless and is probably uncomfortable. I think the tone would be tense and maybe a little agitated? the person is probably worried about something. sorry if this isn't what you needed but I hope it helps :)
