English belongs to _______ family, while Chinese belongs to ______ family. A: Latin; sino - Tibetan B: Indo - European; Slavic C: Latin; Slavic D: Indo - European; Sino - Tibetan

linguists give priority to the spoken language not the written language because ______. A: vocal sounds are derived from writing systems B: speech precedes writing everywhere in the world C: we have recording devices to study speech D: spoken language precedes written language only in Indo - European languages