Test your reaction time with this quick quiz: in just 90 seconds, can you click all 30 'C' things before the timer runs out? You'd still have to match the word to the topic shown and there are many 'C' words so make sure to remember where some are located! I scored 22/30. Time flies when you're having fun but time also flies when you have to click on 30 words in 90 seconds. How did you do on this quiz? Let us know below!