Answer:
I wouldn't say it's the main tool.
Explanation:
Marketers still use, magazines, newspapers, commercials, ads, and mail to promote their products. And there are plenty of in-person stores for marketers to sell their products.
The internet may be vast and very popular, but it isn't the number one thing to use in today's world (for now).
The obvious answer is B the other options would just be for quality
C. Phobias are irrational fears about something. They are "irrational" because a person may fear something that would not logically pose any real threat or harm, such as fearing small spaces (claustrophobia) like elevators because one might feel like they are suffocating, even though elevators obviously do not cause people to suffocate.