Read this part of the text. Which sentence gives the best summary of this part? A Playgrounds today fit as many things into one space as possible. B Playgrounds today do not have slides. Playgrounds today are much safer than playgrounds long ago. D Playgrounds today use much more metal than D playgrounds long ago. Playgrounds today are much safer. Things are made with very little metal. They do not have sharp edges. They have soft ground under them. Play areas must have enough space between them. The swings cannot be too close to the slide What could happen? A kid on a swing could hit a kid on the slide. That is not good!