Judging from the Brief Descriptions Below, Choose the Teacher Who

Multiple Choice

Judging from the brief descriptions below, choose the teacher who is using a mastery learning approach.

A) Mr.Andrews has divided his physics course into 15 discrete units that students study individually at their own rate.
B) Ms.Bennett begins each class by asking students what they would most like to study that day.
C) Mr.Carlton lectures each week on different American novels.Students must attend at least 80% of these lectures.
D) Ms.Dominguez teaches children the basics of mathematics by using such concrete objects as blocks and sticks.