You just watched a commercial in which a popular singer picks up a soda before going on stage. when the singer drinks the soda, he appears to feel more confident. he then looks at the screen and says, "this is the soda i need to make me feel like a star! " what technique has the advertising company used to persuade you to buy the soda?
a. bandwagon
b. plain folks
c. scientific evidence
d. testimonials

The right option is; D. testimonials  

Testimonials technique is the technique that the advertising company has used to persuade me to buy the soda.

Testimonial advertising is a promotional method used by advertising media in which an individual’s statement (written or spoken) eulogizes the virtue of a service or product. In this method, testimonials from satisfied customers are used to authenticate the effectiveness of a product and to show how it can be beneficial to others. Testimonial advertising uses different methods such as celebrity endorsement and expert opinion.

if this is true of false i think it would be true

i think its pulmonary not sure tho