Expert A says that dinosaurs became extinct due to climatic changes occurred on the Earth due to volcanic eruptions some 65 million years ago. Expert B does not agree with the volcanic eruption theory. According to him dinosaurs became extinct due to the impact of asteroid.
Which of the following statements may provide support to the theory propounded by Expert B?
(A) The frigid and sweltering climatic extremes caused the extinction of dinosaurs.
(B) A wide crater lying just off the Yucatan peninsula was created due to the impact of asteroid.
(C) Scientists have discovered levels of iridium 30 times greater than average in the Cretaceous/Tertiary boundary, the layer of sedimentary rock laid down at the time of the dinosaur extinction.
(D) Some palaeontologists after analysing the fossil record believe that dinosaurs were doing quite well prior to the end of Cretaceous, when the dinosaurs became extinct.