[单项选择]Which of the following has the man never been interested in
A. Electronic music.
B. Civil engineering.
C. Electronics.
D. Electronic engineering.

If books had never been discovered, man would have found some other way of recording his communication. But then, for our consideration, we should include as books everything that is a written record. This would include tablets, papyrus and anything else-including computer diskettes. In the case of music, it would be impossible to think that man can live without it. Looking at primitive cultures, it appears that music is actually a part of the human psyche. When two things are knocked together, music is produced. So for the sake of our discussion, it is intended to restrict the meaning of music to the popularly accepted concept. Music is the pleasing combination of sounds that we like to listen to.
Though it is difficult to, we can pretend that these things never existed. In this case we would not miss them today. To compare with recent inventions, let us look at radio and television Though we cannot think of life without them today, this is so only from comparatively rec
A. Because it is a convenience like the Internet.
B. Because we will lose a deep part of ourselves.
C. Because we won’t have smiles on our faces anymore.
D. Because philosophies like Plato’s would not exist.