Answer:
I would say that the fact that in Arab countries business executives will often digress from the primary purpose of the meeting, and then eventually return to the topic initially discussed is an example of cultural manners and customs. The correct answer is b.
Step-by-step explanation:
I choose this option because, in business, we find prepared and very professional people. It is very unlikely for them to act without taking into consideration that they are doing business. They probably have all this in mind and often digress from the primary purpose because they have that custom and manner, but know effectively that it won't affect the meeting or their business goals. I would say that it just has to do with cultural customs, ways of facing meeting, trying to make them more distended, and sociable.