The correct answer is D) negative attitudes about language change.
The statement that is not a source of prescriptive beliefs about English is " negative attitudes about language change."
When we are talking about language prescription, we are referring to the effort of establishing rules that can delineate the proper use of any language, in this case, the English language. The basic elements addressed in language prescription are basically grammatical. We are talking about vocabulary, syntax, semantics, spelling, and pronunciation. From these concepts, expert linguists can determine if the use of the English language is correct or incorrect.