Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R :

Assertion A : Paleoanthropology should explain as much as possible about human evolution and to seck common patterns of adaptations underlying evolutionary changes.

Reason R : Paleoanthropology is the science that enables our understanding of what makes us human.

In the light of the above statements, choose the most appropriate answer from the options given below :