Which of the Following Represents What Darwin Thought of Natural

Which of the following represents what Darwin thought of natural selection?

A) He reasoned that if characteristics that better enable organisms to adapt to specific environmental pressures exist, then selective breeding could do the same.
B) He reasoned that if a person could select different characteristics when breeding organisms, then nature could do so as well.
C) Humans were selecting the characteristics they wanted in the offspring by choosing parents with those traits.
D) Humans were selecting the characteristics they wanted in the offspring by eliminating individuals that did not show these characteristics.