A. sent invitations to different people from different fields of study
<span>The sentence A could be a possible challenge because the leader may not be prepared in all the fields of study, putting him at a disadvantage in the panel discussion. It is important that the leader has a knowledge of the topic of the panel because, as a conductor of the discussion, he could ask to correct, synthesize or even simply guide the discussion, where the ignorance of the subject could lead to the spread of false rumors and information.</span>
Answer:
I believe the answer would be option D.
