कोणताही ऑनलाइन ‘डेमो’ _______ असतो. A. एक संवादात्मक सादरीकरण B. एक असंवादात्मक सादरीकरण C. अनुक्रमीयेतर सादरीकरण D. एक सक्रिय वापरकर्ता आंतरपृष्ठ

An online 'demo' is typically a recorded, non-interactive presentation that shows how a product or software works; the viewer watches rather than operates it. The official key marks it as non-interactive.