In a Sequence of Rock Layers We Find Trilobite Fossils

Multiple Choice

In a sequence of rock layers we find trilobite fossils at the bottom of the rock sequence and dinosaur fossils directly above the trilobite fossils.We conclude that

A) trilobites survived up to the time of the dinosaurs.
B) the beds are overturned.
C) the processes of erosion created a gap between the age of trilobites and the age of dinosaurs.
D) dinosaurs fed on trilobites.