The number of red balls in the bag is the most compared with other colored balls. If we take out one ball at random, the probability of taking out a red ball is larger. So $$\text{C}$$ is the answer. 
There are $$20$$ red balls, $$2$$ black balls, and 1 white ball in a cloth bag. They are of identical shape, size and quality except for color. Take out 1 ball at random. Among the following statements, which one is true? 

[1] The probability of taking out a black ball is the smallest. 
[2] It\textquotesingle s impossible to take out a white ball. 
[3] The probability of taking out a red ball is larger. 
[4] A red ball is surely to be taken out. 