Which best explains the close relationship between Indo-European languages?

Question

anonymous · Answer

any options or answers to choose from

anonymous · Answer

A) Speakers of these languages descended from ancestors who lived in and around ancient Mesopotamia and adopted the Sumerian tongue for their own.
		
B) Speakers of these languages descended from ancestors who migrated out of various parts of Asia and settled in the Aegean area, where they embraced Greek.
		
C) Speakers of these languages were all descendants of ancestors who spoke a common tongue and migrated from their original homeland.
		
D) Speakers of these languages were descendants of early peoples who settled in Eastern Europe and kept their original language.

Sorry, it didn't get copied in the question and I didn't notice :s