Eurasia is a. the landmass that includes europe and asia. b. the continent that is south of asia. c. the continent that includes europe and asia. d. the landmass that includes all of europe and part of asia.

Answer is A) the landmass that includes Europe and Asia. 

Europe and Asia as distinct continents does not have a basis in real geology, and is mostly a social construct. Eurasia is the large landmass that includes  both continents, and usually includes Asian island nations such as Japan and the Philippines as well.