Commonalities used to group languages together include . A. origins, sounds, and words B. sounds, dialects, and accents C. letters, vowels, and body language D. signing, spoken, and written similarities

A.) origins, sounds and words would be the best choice here as the origin of language is key in studying linguistics and creating language families. Although, it is true that dialects and accents do additionally aid placement in language families, but the origin is the most important aspect

Hope this helps. Can I have brainliest if I am right, please?

Explanation:

answer; acquired mainly during early childhood;