A map of language usage. A legend notes Language families. Indo-European language is found in North and South America, Europe, India, Southern Russia, and Australia. Afro-Asiatic is found in Northern Africa and the Arabian peninsula. Nilo-Saharan is found in Southern Africa. Sino-Tibetan is found in China and East Asia. Altaic is found in Russia, Mongolia, and Turkey. Trans-New guinea and Australian is found in Australia and Papua New Guinea. North America is circled.
Image by Happenstance

According to the map above, which language family is most commonly used on the European continent?
A.
Indo-European
B.
Nilo-Saharan
C.
Sino-Tibetan
D.
Altaic