Answer:
C. one of the most successful investors in history
Explanation:
The version of the underlined portion of sentence 13 that best accomplishes the goal of convincing the reader to accept the techniques used by Warren Buffet as credible is option C.
This is because, stating that he is one of the most successful inventors in history gives him credibility and authority on the subject.
Sorry if this doesn’t help I’m still new to Brainly
Your nonverbal communication cues—the way you listen, look, move, and react—tell the person you're communicating with whether or not you care, if you're being truthful, and how well you're listening. When your nonverbal signals match up with the words you're saying, they increase trust, clarity, and rapport.