The answer should be metaphor
A biased statement is one which asserts without real proof for evidence that something is out of the ordinary.
For example, the British people are traditionalists ( because of their having a Royal Family and class systems, etc).
People who are good at maths are brainy .
So bias really is an assertion without real proof
Answer: I believe it should be the last option
Interjection is a kind of exclamation, that expresses emotion, for example "Ouch"! or "yeah", and some swearwords can be used as interjections too.
From the examples given, the interjection is the thirds one: WOW!
C. They made poorly constructed products and Struggled to make money for their families. The workers at the time had the mentality of needing to work as fast and efficiently as possible, so if they didn't have the machinery to do the job, they would use their hands, which led to poor products.