Given only to those who finish the challenging course, the t-shirt is a big reason why so many of the 55,000 run the race. What is the BEST way to paraphrase sentence (6)? A) Runners must finish the race to receive a t-shirt. B) All 55,000 runners receive a t-shirt for participating. C) Often the spectators are unaware of how important the t-shirts are to the runners. D) Many people look forward to receiving a t-shirt, since it's only given to runners who finish.