During an exercise an instructor notices a learner that is avoiding eye contact and not working.
Which of the following actions should the instructor take?

A.
Directly ask the learner during the exercise if there is a problem.

B.
Discreetly go over to the learner and ask if help is needed.

C.
Call on the learner to answer a question.

D.
Ask an advanced learner to assist this learner.