The Fact That Words Can Have Specific Meanings in Specific

The fact that words can have specific meanings in specific situations and may shift meanings depending on the situation and who is saying them to whom

A) illustrates the importance of theoretical linguistics, which provides rules that help us understand this phenomenon.
B) is a rare and unusual phenomenon that linguistic anthropologists have discovered.
C) means that language must be studied in its cultural context.
D) makes it absolutely impossible for speakers of one language to learn another language.