Which Sentence Does Not Contain a Cliché or Overused Expression

Which sentence does not contain a cliché or overused expression?

A) According to a review of the records, you paid your bill after the due date.
B) Please review the enclosed report and send your comments to the president before November 20.
C) It goes without saying that customer service representatives must be polite at all times.
D) I'd like to take this opportunity to thank the development team for its extraordinary effort on the project.
E) Under separate cover you will receive three copies of the contract.