In which one of the following sentences is an abbreviation used correctly? A. His birthday is Sept. 28. B. I had to go to the Dr. on Monday. C. Martin is a member of Parents for Responsible Teens (PRT). D. Keep the bandage on for at least 3 hrs.
When an abbreviation is used for the first time in any witing it needs to be explained.After this first time the abbreviation will be used without any explanation as the reader already knows what it stands for
