James Hutton's Statement That "The Present Is the Key to the Past

Multiple Choice

James Hutton's statement that "the present is the key to the past" summarizes the hypothesis of:

A) catastrophism, and is an obsolete geological principle.
B) uniformitarianism, and is an obsolete geological principle.
C) catastrophism, and is the currently held belief of geologists.
D) uniformitarianism, and is the currently held belief of geologists.