We began to open to the outside world in the ate 1970s.        ,  there have been great changes in the country.

A．As a result of

B．As a result

C．First of a11

D．After all

（）要求保育员不直接向孩子提出教育的要求，而是把教育的目标和蕴藏在环境中，通过适当的中介迂回地实现教育的目标。

A、静态指导

B、动态指导

C、间接指导

D、直接指导