Which One of the Following Examples Is Most Consistent with Educators

Which one of the following examples is most consistent with educators' views of an effective classroom climate?

A) In Ms.Puzio's fifth grade classroom, students work quietly at their desks on independent assignments she has tailored to match their individual needs and skill levels.
B) Mr.Kane's fifth graders are free to do whatever they want as long as they pass weekly classroom quizzes and are relatively quiet.
C) Ms.Skrynski encourages her fifth graders to express their opinions about various topics, even though such opinions may differ from her own.
D) Mr.Evans begins the school year telling students in his fifth grade class exactly what to expect in terms of assignments and tests and reminds them how important it is for them to do well on these assessments.