A push factor is something that you wouldn't consider, perhaps, an opportunity. You wouldn't call it something good because push factors really are pushing on people to break their lives.
A pull factor is the complete opposite of a push factor. Pull factors are things that are good for you like a new job or a good home to live in.
1. One look and it's easy to cross off A and B because we already know that they are both push factors.
2. Prejudice probably isn't a word you hear often and there are a couple of definitions for it, but all of the definitions of prejudice run along the lines of harm and bias. We can cross off D now.
3. This means we are left with C. Like I previously mentioned, a pull factor is something good and beneficial to you. A job opportunity would be a beneficial.
Answer is C.