According to the passage, copyright law is _______

Đáp án B Clue: “Privacy may be an act of one person, but many cases, it is a joint effort of several people who reproduce copyrighted materal sell it for profit without paying royalties to the creator. Technololgical innovations made privacy easy and anyone can duplicate a motion picture on videotape, a computer hiện các nhiệm vụ để họ có thê từng người tận hưởng program or a book. Video cassett recorders can be used by practically anyone to copy movies and television programs, and copying software has become almost as easy as copying a book.”