Respuesta :
The answer is A because in order for a sentence to be factual it needs to have actual unbiased facts or statics. This answer includes an opinion which makes it not strictly factual like the question is asking for.
Answer:
6. (C) When he was still a young man, Tesla went to the United States to work for Thomas Edison in his New Jersey laboratory.
Factual is something that is true or concerned with original details or information rather than opinions or feelings about it. For instance, claim that it was 20 degrees recently is an example of something that is factual as long as it is true.