Which of the following is not a successful communicator?

The correct answer is C. One who knows a lot but is somewhat reserve in his attitude.

A successful communicator is someone who can effectively convey their message to others. This includes being able to present material in a precise and clear way, adapt to the language of the audience, and build rapport. Option A, B, and D all describe characteristics of successful communicators. Option C, however, describes someone who knows a lot but is not able to effectively communicate their knowledge to others. This person may be knowledgeable,

Here are some additional details about each option:

• Option A: One who presents material in a precise and clear way. This is an important characteristic of a successful communicator. The ability to present information in a clear and concise way is essential for ensuring that the audience understands the message.
• Option B: One who is able to adapt himself according to the language of the communicate. This is another important characteristic of a successful communicator. The ability to adapt to the language of the audience is essential for ensuring that the message is communicated effectively.
• Option C: One who knows a lot but is somewhat reserve in his attitude. This is not an ideal characteristic for a successful communicator. The ability to share knowledge in a clear and understandable way is essential for effective communication.
• Option D: One who sometimes becomes informal before the receiver and develops rapport. This is a positive characteristic for a successful communicator. The ability to build rapport with the audience is essential for effective communication.