The correct answer is A. Diverse
Step-by-step explanation:
The word "diverse" means "varied" or "multiform". This word is adequate to describe the world because nowadays there are thousands of people with different backgrounds, values, beliefs, culture, etc. Moreover, this diversity implies a need for communication skills such as attentive listening, empathy, negotiation, among others that help individuals from different cultures or backgrounds to communicate effectively and avoid misunderstandings. According to this, the word that completes the statement is "diverse" because this word is related to the variety of backgrounds of people in the world and the importance of communication skills due to this variety.