女性，69岁，跌倒后造成左股骨颈骨折，行走困难，被收入院。

患者受伤的病因为（）

A.直接暴力

B.间接暴力

C.肌肉牵拉

D.骨骼劳损

E.病理性骨折

An analyst does research about price-to-earnings ratio and gathered the following nformation about three common stocks with the same retention ratio:

The highest price-to-earnings (P/E) ratio is most likely associated with:()

A. Stock A.

B. Stock B.

C. Stock C.