All else equal, which of the following would most likely cause a firm's price-earnings ratio to decline（）

A. The level of inflation is expected to decline.

B. The dividend payout ratio increases.

C. The yield on Treasury bills increases.

抓斗起重机是以抓斗作为取物装置的起重机，其他部分与吊钩起重机基本（）同。

A.不

B.相