Disc golf is one of the fastest growing sports in the united states. most cities have at least one disc golf course while some, like dallas, texas, have over a dozen. there are many reasons for the sport's growing popularity. first, a new player only needs to invest about $10, for a golf disc, to begin. second, unlike regular golf which can cost over $100 to play, disc golf is free. third, because most people know how to throw a frisbee, learning to play disc golf is relatively easy. true, it takes a lot of time and practice to become a skilled player, but a new player can have a good time on the course the first time they decide to give it a try. courses are popping up all over the country. if you are interested in playing but have no idea how to begin, there are several web sites devoted to the sport that can . what is the best summary of this passage? a. disc golf courses are being built in cities all over the country. many cities have over a dozen courses. b. disc golf is a sport that uses a frisbee-type disc. because most people can throw a frisbee, it is easy to learn. c. disc golf is a fast-growing sport because it is affordable. a new disc costs only about $10. d. disc golf is growing in popularity because it is easy and cheap to begin playing. more information is on web sites.