单选题
11. Stone Age potters crafted complicated and often delicate ceramic pots, tools, and jewel. They also crafted crude pottery figurines. Many of the delicate ceramic pots, tools, and jewelry have been found intact or nearly so, whereas the figurines, crafted at roughly the same time as the ceramics, have largely been found in tiny fragments.
Which of the following, if true, best explains why few of the pottery figurines, but many of the delicate ceramics, have been found intact? ______