Read the following context and choose the best option to answer the question.
Context: This man who writes for CBS / CNet / ZDNet sounds like he is out of his mind . Not a single person among SYS - CON 's management team has ever heard of his name , had any business relationship with him , or knows who this person is . He was never asked to write for SYS - CON , he was never considered to write for SYS - CON , and he will never write for SYS - CON .
Question: How did the narrator discover that no one knows the man ?
Options: 
- The narrator interviewed the man .
 - The man came highly recommended .
 - The narrator had just met the man .
 - The narrator checked his references .


The narrator checked his references .