The Theory of Evolution states that small changes in genetic material accumulate in each generation and can, over time, significantly change a population.

Which of the following statements explains why this is a scientific theory?

(A) It is the best explanation based on the evidence available.
(B) It corresponds to the opinions and beliefs of the majority of the scientific population.
(C) It is a scientific law that has been supported by experimental data.
(D) It describes natural events without trying to explain why they happen.