（1）What percentage of the cars in the park were red？
A.8%.
B.12%.
C.21%.
（2）If there were 50 cars in this car park，how many cars were silver？
A.4.
B.6.
C.10.
（3）What color cars were the most popular in the neighborhood according to the survey？
A.Black.
B.Silver.
C.White.
（4）What color do more people like in the survey？
A.White.
B.Black.
C.White and black.
（5）What is the survey about？
A.The importance of the car.
B.The use of cars.
C.The people's favorite cars' color.