Using short sentences makes the author sound rude. using run-on sentences makes the author seem super talkative. I suggest use medium length sentences to set the tone.
Answer: Start with a question.
I think its A. They establish this section's grim mood. Hope thus helps :D
Just depends on the time you placed it because they usually have other people who applied give it till Wednesday and if you don’t get a call about your application you can call and ask about the status of your application