Lang, a Korean, and Leslie, an American, Are Two Team

Lang, a Korean, and Leslie, an American, are two team leaders at Croyston Inc. who were discussing how to maximize team effectiveness. Their conversation happened in front of their supervising manager, and their discussion did not end with any clear conclusion because both were vague about their points. Which statement best expresses the feelings of the manager after listening to their discussion, and why did their discussion not yield clear any logical conclusion?

A) Their discussion was lacking in planning and analysis, which are both required for successful communication.
B) Their discussion included perceptual differences, which adversely affected successful communication.
C) Their different cultures intruded in the discussion, which affected successful communication.
D) Their discussion did not have a purpose, which affected successful communication.