As it is presented in the passage, the development of the human character and personality is a seties of______ rather than a smooth progression.

A．how far the unemployed are to blame for their failure in working and how far it is the State' s fault
B．to what extent the State should insist on the unemployed working if they fail to do so
C．whether being at work is a social duty which the State should ensure everybody carries out
D．whether work should be obligatory, and if so, whether the State or the individual is responsible for the enforced obligation

A．the cultural pattern is the single factor that affects a child's upbringing at home
B．by no means does the technological development of a community contribute to the development of children' s character
C．there are definite rules for parents to abide by in bringing up their children
D．upbringing and education are mutually complementary