Answer:
B. To help the reader discover if he or she has a social media addiction.
The passage includes questions intended "to see if you could be in danger of letting social media control you," and "If after answering yes to several... you might have a social media addiction."
Step-by-step explanation:
It is not A because this paragraph does not offer the solutions. The last sentence implies they will be discussed later in the text. It is not C as it intends to make the reader ask themself if social media is harming them instead of blaming them.