Which one of the following inferences about when the enzyme theory of life was formulated can be drawn from the passage? A. The theory was formulated before the appearance of molecular biology. B. The theory was formulated before the initial discovery of cell architecture. C. The theory was formulated after the completion of chromosome mapping. D. The theory was formulated after a synthesis of the ideas of cytologists and biochemists had occurred. E. The theory was formulated at the same time as the beginning of the debate over the nature of protoplasm.