Which One of the Following Teaching Strategies Is Most Consistent

Which one of the following teaching strategies is most consistent with the discussion in the textbook regarding the promotion of self-regulation through classroom assessment practices?

A) At the beginning of a cooperative group problem-solving activity, Mr.Hayes tells the students in each group that they should submit one set of problem solutions that represents the consensus of all group members.
B) Mr.Wells has his students exchange and grade one another's homework assignments.
C) Mr.Roberts gives his art students several criteria to use as they examine the clay sculptures they have just created.
D) Mr.Bradford gives his students the answer key for a multiple-choice quiz he has just given and asks them to score their own responses.