Which of the Following Provisions Does the American Inventors Protection

Which of the following provisions does the American Inventors Protection Act make?

A) It allows the inventor to file a provisional application with the Patent and Trademark Office.
B) It provides the inventor with three weeks to file a patent application with the Patent and Trademark Office.
C) It prevents non-patent holders from challenging the inventor's patent application.
D) It protects the inventor from any reexamination of the patent application.