Directions: Identify the incorrect sentence or sentences.A. The question of when man started cooking his food has not been answered by anthropologists with any definiteness. B. There has not been sufficient rain this year. C. Dr. Friedman, who is a leader of the laissez faire school, goes farther than most other observers, particularly in accusing the Fund of laying the ground for the crisis. D. The Neanderthals appeared in Europe during the three interglacial period.