Cousins bailey, sofia, and zola are playing at an indoor baby gym. bailey has recently begun to crawl, sofia has been crawling for a while, and zola has recently begun to walk. the three cousins' attention is suddenly grabbed by the pleasing sounds of a familiar toy that has rolled down a too-steep incline. which of the cousins is likely to attempt to go down the incline? a) bailey and zola b) bailey and sofia c) sofia d) zola