The correct answer is C. Testimonial
Explanation:
In advertising and propaganda there are multiple techniques used to persuade the audience to believe a certain idea or buy a product, this includes faulty cause and effect in which two events that occur together are assumed to be the cause or consequence of each other; the bandwagon technique in which the audience is invited to buy a product or support an idea just because many people do; the name calling technique in which negative words and ideas are used to attack the opponent and testimonial in which the testimony of a famous person or someone that is considered as an authority is used to persuade people about a certain idea. This means in the case of Andrew Weir supporting the idea that Mr. Boris should be the president of the Writer Association the technique used is "testimonial" as the testimony or word of someone that is an author is used to persuade others about a certain point.
