[单项选择] It is generally accepted that the experiences of the child in his first years largely determine his character and later personality. Every experience teaches the child something and the effects are cumulative. "Upbringing" is normally used to refer to the treatment and training of the child within the home. This is closely related to the treatment and training of the child in schoo1, which is usually distinguished by the term "education". In a society such as ours, both parents and teachers are responsible for the opportunities provided for the development of the child, so that upbringing and education are interdependent. The ideals and practices of child rearing vary from culture to culture. In general, the more rural the community, the more uniform are the customs of child upbringing. In more technologically developed societies, the period of childhood and adolescence(青春期) tends to be extended over a long time, resulting in more opportunity for education and greater variety’
A. chiefly
B. by chance
C. entirely
D. seldom