It is important for disciples of Jesus to know that C.S. Lewis advocated evolution.
The Bible teaches that death came into the world after the creation of man. C.S. Lewis taught that death existed before man evolved.
The Problem of Pain, Chapter 5, “The Fall of Man” –
“The story in Genesis is a story (full of the deepest suggestion) about a magic apple of knowledge; but in the developed doctrine the inherent magic of the apple has quite dropped out of sight, and the story is simply one of disobedience. I have the deepest respect even for Pagan myths, still more for myths in Holy Scripture. I therefore do not doubt that the version which emphasizes the magic apple, and brings together the trees of life and knowledge, contains a deeper and subtler truth than the version which makes the apple simply and solely a pledge of obedience. … For long centuries God perfected the animal form which was to become the vehicle of humanity and the image of Himself. He gave it hands whose thumb could be applied to each of the fingers, and jaws and teeth and throat capable of articulation, and a brain sufficiently complex to execute all the material motions whereby rational thought is incarnated. The creature may have existed for ages in this state before it became man: it may even have been clever enough to make things which a modern archaeologist would accept as proof of its humanity. But it was only an animal because all its physical and psychical processes were directed to purely material and natural ends. Then, in the fullness of time, God caused to descend upon this organism, both on its psychology and physiology, a new kind of consciousness which could say “I” and “me,” which could look upon itself as an object, which knew God, which could make judgments of truth, beauty, and goodness, and which was so far above time that it could perceive time flowing past.”