A、McDonald’ s is so successful because of its convenience. B、McDonald’ s is so successful because of its food so delicious. C、Mc

W: John, I’ m really hungry !
M: Just get anything you want, it’ s on me today. I’ m thinking about a hamburger and some chicken McNuggets.
W: Thanks, man. That sounds good. I love milkshakes here.
M: Me, too. The formula of McDonald’ s is really special.
W: Right. And no matter where you go in the world, you can always see similar menu items and the same high level of quality in McDonald’ s.
M: It’ s true. They also do well because of diversity. I mean, they sell different products according to people’ s tastes and preferences in different areas.
W: Right. Like the Spicy Chicken Sandwich and Seafood Soup that they sell in China. They could never sell that here!
M: But I’ ve heard that McDonald’ s is really losing market share in the States now, and has closed down some restaurants.
W: Yeah. It’ s just so difficult to stay competitive when there are so many fast food chains in the States. I mean there are KFC, Pizza Hut, and A&W, just to name a few.
M: It seems that they’ re doing better overseas, ’ because they’ re really able to sell American culture.
W: Yeah. They use all the media they can, and they do a good job.