Which of the Following Statements Best Describes an Anthropological Understanding

Which of the following statements best describes an anthropological understanding of language?

A) Language is subject to shifting cultural contexts and exhibits different aspects of cultural identity.
B) Language is universal, and all languages share the same features and a consistent and unchanging group of sounds.
C) When cultures are undergoing growth and change, language tends to become more conservative.
D) Languages change constantly, and no language can be studied intact.