Which of the Following Is an Example of a Report

Which of the following is an example of a report?

A) A mammal is a warm-blooded animal that nurses its young. So, for example, whales, cats and . humans are mammals but turtles, birds, and insects are not.
B) If Germany had invented the atomic bomb first, they would have won World War II.
C) 73 percent of all Americans are opposed to the death penalty.
D) Skunks get hit by cars more than other animals because they tend to stand their ground rather than flee.