C. to mock the manner of speaking that the writer is criticising
Well, after researching, The correct answer would be B. He is not entirely trustworthy.
Answer:True
Explanation: Language that contains a regular grammatical or language pattern is REGULAR. A regular language contains a consistent and similar flow patterns, this type of language is easier to understand than an irregular language that is known not to be in a consistent pattern. REGULAR LANGUAGE CAN BE EXPRESSED USING FORMAL EXPRESSIONS AND ARE DEFINED BY FINITE AUTOMATIONS.