Researchers Have Found That Teachers' Benefit from Using an Intentional

Multiple Choice

Researchers have found that teachers' benefit from using an intentional selection process to determine whether a task they chose is worthwhile.One of the criteria of the selection guide is "worthwhile features".Which statement below represents one of the categories in "worthwhile features"?

A) Relevant context.
B) Problematic task.
C) Requires tools and models to represent the mathematics.
D) Mathematically interesting.