The correct option is C Independently by Charles Darwin and Alfred Russel Wallace in 1858.
Charles Darwin during formulation of his theory of natural selection corresponded with Alfred Russel Wallace for providing him with evidence to support his theory. Alfred Russel Wallace decided to seek help from Charles Darwin in publishing his own ideas on evolution in 1858. Ideas of both were nearly replicated and were published in the year 1858. Thus, the correct answer is Independently by Charles Darwin and Alfred Russel Wallace in 1858.'