Which One of the Following Statements Best Summarizes the Textbook's

Which one of the following statements best summarizes the textbook's discussion of planning, instruction, classroom environment, assessment, and student characteristics?

A) Each of them influences the other four.
B) Planning precedes both instruction and classroom environment, which in turn affects both student characteristics and assessment.
C) Student characteristics affect planning, which affects instruction, classroom environment, and assessment.
D) How student characteristics will be assessed affects planning, instruction, and the classroom environment.