The first people known to inhabit the British Isles were（）. Their languages were dialects of still another branch of the In-do-European Language Family（）.

The first people known to inhabit the British Isles were（）. Their languages were dialects of still another branch of the In-do-European Language Family（）.
A、German / Germanic
B、Celts / Celtic
C、Italian / Italic
D、Sweden / Swedish
正确答案：B