The surviving languages accordingly fall into eight principal gr

The surviving languages accordingly fall into eight principal groups, which can be grouped into the（ ）set and the Western set.
A、Eastern
B、African
C、American
D、Northern
【正确答案】：A
【题目解析】：这些幸存的语言相应地分为8大语族，印欧语系可分为东部诸语族和西部诸语族。