Multi-choice problem: Continue writing the next sentence in this paragraph:

A boy rollerblades around a paved, indoor, environment surrounded by other children. a boy rollerblades

Possible answers: (a). and falls while rollerblading on the sidewalk of a city at night.. (b). with a strange sight when he is blind folded open.. (c). , following yellow lines on a paved surface surrounded by other children.. (d). on a winter wood court with puddles in the parking lot..
(c).