Which of the Following Best Reflects the Concept of Scaffolding

Multiple Choice

Which of the following best reflects the concept of scaffolding?

A) Students are required to retake tests or work on papers until a minimum passing grade is achieved.
B) The teacher demonstrates and explains how to solve quadratic equations.
C) Students are asked to write a summary of the previous day's lesson.
D) The teacher ends each lesson with fifteen minutes of drill-and-practice exercises.