The Authors' Basic Point in Discussing Classroom Methods and Critical

The authors' basic point in discussing classroom methods and critical literacy might be described as follows:

A) Teaching for critical literacy is challenging in both theory and practice, but there are teachers who provide models from which we can learn.
B) Unlike functional literacy or cultural literacy, there are no agreed upon ways to teach for critical literacy.
C) Critical literacy sounds very promising in theory, but it does not seem to work in practice.
D) Methods of critical literacy instruction are widely in use throughout colleges and universities, but less so in schools.