Which One of the Following Teachers Is Acting in Ways

Which one of the following teachers is acting in ways consistent with the textbook's recommendations for assigning final grades?

A) Mr. Arnold meets individually with each student to develop contingency contracts that specify the instructional objectives the student needs to achieve.
B) Ms. Bestani asks students to submit written self-evaluations,and students' self-assigned grades count for 25% of their overall grades.
C) Ms. Chernyshov always describes the criteria she will be using to evaluate assignments,and every two weeks she distributes numerical "progress reports" to show students the course grades they've earned so far.
D) After class discussions,cooperative learning activities,and other fairly "public" demonstrations of achievement,Mr. DeJong has students rate one another's performance. Such ratings are used to determine grades in borderline cases.