During the war there was a serious lack of food. It was not unusual that even the wealthy families had to ______ bread for days.

A．eat up

B．give away

C．do without

D．deal with

如图，此类工业将产地放在珠三角的主要原因是（）

A.利用当地丰富的科技人才

B.利用当地充足的劳动力资源

C.利用当地丰富的自然资源

D.利用当地优美洁净的环境