. When you look at the data about all of the children in your setting, you can learn
A. how effective your instruction and environment are.
B. how well each individual child is performing.
C. about child development.
D. what outside factors you need to change.

Explanation:

without seeing the data; It completely involves the child's age..,

I've learned as a parent, the answer is A.

The more "exciting, or fun," the environment, the willingness of your students to learn increases 10 fold. we've all had a teacher who shud just retire; they are crabby, demanding, been teaching generations of your family, not willing to help you...That would be up to the teacher...

d, i believe because of it's activity level