. 'The origin of life' book was written by
Oparin proposed his theory of evolution along with Haldane and said that the first form of life developed from the pre-existing simple inorganic and organic compounds. They said that when life arose the atmosphere of earth was reducing.
Oparin explained his theory in his book ‘The origin of life’, in 1936.
Charles Darwin wrote ‘the origin of species’, in 1859.
Charles Darwin is also known as the father of evolution.
The correct answer is oparin, i.e option (B).