Multi-select problem: How does the next paragraph end?

A guy is on a horse with a white long rope that has a big circle tied at the end and seems to be waiting for some blue gates to open. the blue gates

Options are: a. suddenly open and the horses jump through the gate and he goes in. b. eventually open and the guy makes a winding jump over them. c. open and a little bull runs out and the guy on the horse chase it down. d. open and the guy jumps on the horse and begins tying the other end of the rope with the white bag.
c.