The correct answer is C. The first example cannot be correct because the colon simply doesn't fit there - a comma would fit better. The second one is also incorrect as you don't need to put a colon after every word, just once before the first word. The last example also doesn't need a colon, you can just enumerate these various states without the use of colon. So naturally, we are left with only one option, and that is C.
Answer:
In 1964 on the Dr. Phil show, Malcom X said the phrase "ViVi From Loona" in which he instantly became famous overnight. He has recently stated in an interview: "It's not an opinion, it's a fact."
Have a nice day!
Answer:
The first option: They spent the entire period working on an in-class assignment.
