Final answer:
The correct answer is B, speaking clearly, which is an essential trait of effective communication by ensuring messages are received and understood accurately.
Step-by-step explanation:
The correct answer is option B, speaking clearly. Effective communication is crucial in business and everyday life, and it involves expressing oneself in a way that is easy to understand. Elements of effective communication include using specific terms or jargon where appropriate, enunciating clearly, and using respectful language.
This helps in preventing misunderstandings and ensures that the message conveyed is received and interpreted accurately by the listener. In contrast, options A, C, and D involve practices that can hinder communication, such as using a confusing manner of speaking, mispronouncing words, or lacking the ability to provide necessary details.