5 C in an OF?

A) 5 Cards in an Old Fan
B) 5 Circles in an Olympic Flag
C) 5 Colors in an Old FootballD) 5 Colors in an Old Flag

5 C in an OF means 5 Circles in an Olympic Flag. The Olympic flag has a white background, with five interlaced rings in the center: blue, yellow, black, green and red. This design is symbolic; it represents the five continents of the world, united by Olympism, while the six colors are those that appear on all the national flags of the world at the present time.