A．He used to be fascinated by music.
B．He had a bad relationship with his family.
C．He had lots of different dreams.
D．He made great efforts on his schoolwork.
A．School courses.
B．Various activities.
C．Curiosity and uncertainty.
D．Psychological techniques.
A．Copyright protects only the original expression of ideas.
B．Copyright is only applicable to certain forms of work.
C．Copyright attaches only to fixed forms in a fLxed medium.
D．Copyright recognizes the rights of only one author.