While facilitating a class an instructor uses a variety of questioning techniques. Which of the following BEST describes the benefits? 

Answer options:

A. Challenges learners, involves them and helps to monitor their progress.
B. Establishes an environment that supports learning, and maintains focus on meeting stated learning objectives
C. Facilitates group dynamics in a positive way, while encouraging respectful interactions.
D. Keeps the learners engaged as to what is coming next andconveys the importance of theirknowledge.

A