Which of the Following Examples Illustrates a Sentence Without Business

Which of the following examples illustrates a sentence without business jargon?

A) Please get back to us with a proposal at your earliest convenience.
B) As per your request, we have modified this proposal.
C) Please do not hesitate to ask questions about the proposal.
D) Please be advised that enclosed within this email is the proposal for the project.
E) Here is the proposal for our department's upcoming project.