Which one of these is the correct spelling for the plural from deer?

Ato of . it be a , is as an . it be a ,in - as a . , it be an , is by to as a , , or an .. (s)of : 12345

While looking at ads on a professional job site, justin saw this job posting: "the employee should have a degree in human behavior and at least 5 years experience in behavioral modifications. we are also looking for an employee who is good at crisis divergence. typically employees will spend a lot of time supporting others."

Which two parts of this excerpt from authur conan doyle's " the contest " show policies lack of knowledge about the rules and restrictions of his society