People have the belief ______ factories should produce fewer things from raw materials, ______the supply is growing smaller and smaller.

A．which; that

B．that; of which

C．that; whose

D．which; whose

Excel表格处理操作
考试要求：
(1)按每本书计算库存金额。
(2)将表格标题居中。
(3)设置表格的行高为1厘米，列 宽为2厘米。
图书情况统计表