Which of the Events Described Below Agrees with the Idea

Multiple Choice

Which of the events described below agrees with the idea of catastrophism?

A) The gradual uplift of the Himalayas by the collision of the Australian crustal plate with the Eurasian crustal plate
B) The formation of the Grand Canyon by the Colorado River over millions of years
C) The gradual deposition of sediments many kilometers thick on the floors of seas and oceans
D) The sudden demise of the dinosaurs, and various other groups, by the impact of a large extraterrestrial body with Earth
E) The development of the Galapagos Islands from underwater seamounts over millions of years