Which of the following properties is NOT mentioned as protected by copyright?

A. paintings and maps (tranh vẽ và bản đồ) B. printed medium (phương tiện in)

C. music and plays (âm nhạc và vở kịch) D. scientific discoveries (khám phá khoa học)

Giải thích: 

 Copyright is a legal protection extended to authors of creative works, for example, books, magazine articles, maps, films, plays, television shows, software, paintings, photographs, music, choreography in dance and all other forms of intellectual or artistic property.

Chọn D