Answer:
an example of nonverbal communication is thumbs up
That would be a fragment. Its not a complete sentence
'Finally' is the answer the others don't make sense if you try to read them with the rest of the sentence.
I came into the House only to cry/sneeze/fall/laugh/die
just change out the words and you have five infinitive sentences :)<span />
Answer:
C. an additional viewpoint to consider regarding whiskers