Read the following context and choose the best option to answer the question.
Context: He 's got a guy he loves and really wants to use , and has tried last week to set up an appointment with this guy to come out and see what needs to be done . Problem is - this guy wo n't return grandpa 's phone calls , and we were n't able to get him scheduled . I wanted that done before we moved on to other things , but by Friday , mom and I started thinking we could n't afford to wait anymore . Complication the third : House painting .
Question: Why does the grandfather want to use the man in question ?
Options: 
- He knows the man is out of town .
 - He knows he is a sucker .
 - He is familiar with his work .
 - None of the above choices .


He is familiar with his work .