Read the following article and select the best answer. Article: Beijing Restaurant _ SOUPS :Tofu soupY=10. 00 Bone soupY=15. 00 Chicken soupY=20. 00 STAPLES:Fried riceY=8. 00 Fried noodlesY=10. 00 Hot dogY=4. 00 Meat pieY=10. 00 SandwichY=10. 00 HamburgerY=10. 00 MAIN COURSES:Roast chickenY=30. 00 Italian pizzaY=9. 00 Indian curriesY=15. 00 Pork and cabbageY=15. 00 Cheese pieY=10. 00 BeefY=15. 00 Beijing Roast DuckY=50. 00 SausageY=15. 00 DESSERTS :Fruit saladY=8. 00 Pear pancakeY=6. 00 Apple pieY=6. 00 Ice creamY=4. 00 DRINKS :CokeY=5. 00 CoffeeY=5. 00 TeaY=3. 00 Apple juiceY=3. 00 BeerY=10. 00 WineY=30. 00 MilkY=3. 00 LemonadeY=4. 00 Question: How many kinds of main courses are there in this restaurant? - 7. - 8. - 9. - 10.
Answer:
8.