_______ with her graduation paper, Mary has no time to do a part—time job.

A．Having been occupying

B．Having occupied

C．To be occupied

D．Being occupied

下左图是某地地形图，MN、PQ是地形剖面线。①、②是水库，若从中选择一个作为自来水厂的水源地，其条件是自流引水且工程建设费用最小。完成下列各题。

Z村拟建一座玻璃温室大棚和一家污水处理厂，应依次布局在（）

A.③④

B.④⑤

C.⑤⑥

D.③⑥