A trainer has just finished the lesson covering a complex concept that is essential to understanding the next topic of the course. Most of the learners are looking at the trainer with blank expressions. When the trainer asks questions designed to determine whether the class understands the concept, most learners look away. Which of the following actions by the trainer prior to the lesson would MOST have helped prevent the reactions described above?

A.
Having the learners state the experience they have had with the topic and helping them form questions they would like to have answered

B.
Giving the learners a summary of the concept to be covered in that particular lesson and of the concepts that will be covered in the lessons that follow

C.
Providing an overview of the concept to be covered and stating why it is important

D.
Giving learners a selection of readings about the concept for them to read before the lesson is started