I need help please. In this paragraph, the author describes:

A. the next stage.
B. an interactive theatrical experience for practice of the actual event.
C. subaltern classes are able to build confidence.
D. that communication tools will enable more representation of disenfranchised sectors.

Layer r contains a well-known index fossil that is 100 million years old. based on this information and the principle of superposition, a. layers t and m are older than 100 million years, and layers x and g are younger than 100 million years. b. layers t, m, x, and g are all older than 100 million years. c. layers t and m are younger than 100 million years, and layers x and g are older than 100 million years.