Which of the following describes a good topic sentence A. is usually the last sentence in paragraph
B. gives reasons, facts, examples, or evidence or evidence
C. answers the question what is this paragraph about?
D. Doesn't have anything to do with the main idea

c

Explanation:

i would say C because you can say " as stated in the paragraph you can see it is about. " because you will be able to answer what it's about. (but just go with what you think)

this is the sentence that best shows that fast food restaurants are designed for using unskilled labor. 

"rodney quicklt turned away and darted into a crowed of student" i thinks thats it but idk