nayana-c1.867c992ae9100904cc61c84591adf0f8f863e0387e30f0d0dbc86640e9f50a1a.en.train.125965

The task

What has motivated many to seek biological explanations for language? A. The complexity of hierarchical organization in sentences B. The arbitrary relationship between symbols and their referents C. The assumption that if the structures of language were functional, they could be learned. D. The inexorability of the language learning process in children Return only the single uppercase letter of the correct option.