Discussing techniques used in the ad. The paragraph explains the target audience with correct grammar and the order of the content is fine. The paragraph doesn't discuss what techniques the ad used to be successful, however.
First answer is D he is recalling a pleasant event, and the second one well i'm pretty much guessing here because I haven't read the material so and have no idea whats going on in the story but using the knowledge I have of the first question my best guess is D.
I would say A - The sentences are too choppy.
The answers are : 11. an unbiased site, updated frequently 16. They are nonfiction. Do you need anymore help?