The author includes the views of Michael Jochim for which of the following reasons? A. To show that the Mesolithic cultures in other parts of Europe were less well-defined than Mesolithic cultures in southern Scandinavia B. To help explain why it became necessary for Mesolithic populations to pay more attention to less obvious foods and foods requiring more complex processing C. To provide evidence that opportunities for coastal development were generally much greater in Central Europe than elsewhere in Europe D. To support the idea that populations in Central Europe stayed in a central location much of the year but relocated to be closer to seasonal resources