Which of the Following Statements Comes Closest to Describing the Principle

Which of the following statements comes closest to describing the principle central to Darwin's idea of natural selection?

A) Individuals within a species vary, and those with the best adapted characteristics survive to reproduce, thereby passing their genes to future generations.
B) Nature selects the particular individuals that have the best characteristics and these individuals are allowed to interbreed with each other, thereby creating the strongest offspring.
C) People prefer to mate with the most attractive members of the opposite sex, selecting their mates according to natural factors related to physical attractiveness.
D) Humans evolved from the apes.