An instructor is delivering a new edition of courseware that has been delivered previously. During the lab portion, several learners report an error that had not occurred previously. The error affects the outcome and, therefore, the key learning concept. Which of the following is MOST appropriate for the instructor to do in this situation?
A.
Advise the students to ignore the error and discuss the theoretical aspect of the exercise.
B.
Apologize to the learners for the problem and move on to the next lesson.
C.
Discuss with the learners the cause of the problem and then discuss the expected outcome.
D.
Perform the lab illustrating each step and discuss the theory behind each action.