I believe C is correct, after reading through a few times I don't feel as though there is a defined topic sentence. The paragraph just seems to list facts without any true purpose.
The question ask to choose among the following choices that states the kind of visual example that the statement in your question states and the best answer would be letter A. Semiotics. I hope you are satisfied with my answer and feel free to ask for more if you have question and further clarification
<span>A nonverbal communication uses a gesture or a body language to send a message. </span><span>In the example, a smile and a handshake is already a greeting without eliciting words. </span>
<span>A verbal communication uses language. Saying "hello" is already a kind of verbal communication.</span>
I think it embodies strength or maybe ruthlessness. A sense of loss could be one, but that would be hard to explain