Judging from the Brief Descriptions Below, Which One of These

Multiple Choice

Judging from the brief descriptions below, which one of these four teachers is most likely to be using a mastery learning approach?

A) Ms. Alfonso gives examinations in which different students are asked different questions, depending on individual student needs and interests.
B) Mr. Bryant assigns term papers and oral reports rather than in-class examinations.
C) Ms. Carroll uses the highest four of a student's six exam scores to determine course grades.
D) Mr. Dickson insists that each student in his sociology class pass the first unit exam at the 85% level before beginning work on the second unit.