Answer:
Minimum wage should increase for fast food workers because they handle a lot at the same time. People order food and they make it. Sometimes there’s customers who complain about the food and ask for a refund. Other times the food has to be remade if the order is wrong.
Explanation: Overall they have a very complicated job and have to deal with all sorts of people.
Whom! None of the other answer choices don’t fit with the sentence
C because "the flow" of the sentence is correct. It is not too complex. Its not A because A "are the cost of" is to complex. Its not B because the use of "Noisily" in the sentence should be placed at the end, its a wrong use of juxtaposition.