When a student makes a request that Kanye not wish to honor, he is likely to say, "I'm not going to do that."

However, when Kanye is at home and his older brother makes a request, Kanye is
more likely to say, "I ain't doin' that," or perhaps, "That ain't hapnin'." Kanye's ability to alter his
language patterns in response to the social context is a component of
A) pragmatic knowledge. B) morphological knowledge.
C) syntactic knowledge. D) semantic knowledge.

A