Analysis of test questions: The material in the question "Darkness cannot drive away darkness, only light can do it. Hatred can't drive away hatred, only love can do it ",which embodies the unity of opposites between" darkness and light "and" hatred and love ",so item A meets the meaning of the question and can be selected; The two statements of B and D are correct but do not conform to the main idea of the material, so they cannot be selected; There are scientific and non-scientific values, so item C is wrongly expressed and cannot be selected. Therefore, the answer is item A.