视图与基表的关系是

A．视图随基表的打开而打开

B．基表随视图的关闭而关闭

C．基表随视图的打开而打开

D．视图随基表的关闭而关闭

Which of the following changes would most likely decrease a firm’s demand for labor （）

A. Technological improvement in the firm’s production process.

B. Decrease in the price of the firm’s product.

C. Increase in the price of a productive input that is a substitute for labor.