Final answer:
Kan is most probably from Japan due to his behavior of prioritizing ample time for each client.
Step-by-step explanation:
Kan's behavior of not cutting a meeting short and prioritizing ample time for each client suggests a cultural value of importance placed on building strong relationships and providing excellent customer service. Based on this, he is most probably from Japan (B). In Japanese business culture, it is common for professionals to prioritize face-to-face interactions and spend as much time as needed with clients.