Below is the list of colors nominated as the favorite colors by students of class I. Determine the color which has frequency 9.

• A. red, blue, red, yellow, green, yellow, green, yellow, yellow, red, green, red, blue, red, yellow, red, blue, yellow, red, blue, blue, yellow, yellow, green, green
• B. red
• C. blue
• D. green
• E. yellow