you need to list the sentences then i can help you
Answer:
a. The second sentence provides background for the first
Explanation:
According to the first sentence, research has proven that colorful and vivid advertisements helps to attract more people.
Additionally, the second statement says that marketers use various research studies to develop their advertisement.
The relationship between the two sentences is that the second sentence provides background for the first by explaining how the market research has helped.
Friendships have many positive attributes to you. They will transform you into your future self. Psychiatrist Joan Johnson states,”People with strong friendships report that they fulfilled in all areas of their lives, including their careers, while those without strong friendships state they are dissatisfied with their lives”.(page 57). Another thing Johnson stated was”. In conclusion, friends are supportive about lives. They are good for you to vent out your problems.
I believe the correct answer is D. humorous and informal.
You can see in the excerpt that the narrator is talking about him/herself in a humorous manner by mentioning his/her eccentricities such as 'mismatched socks' etc. The tone is very light and funny, so A, B, and C would be incorrect answers.