填空题

A. China failed to develop a single written language based on phonetics
B. a Chinese child is supposed to learn much more words than his English speaking counterpart
C. Chinese dialects differ from each other to a great extent
D. the Chinese language system has no relation to sound
E. educate more people to learn the same language
F. there is only a small part of the population who understand the large number of symbols The result of the enormous differences in Chinese dialects, as far as the author is concerned, is that______.