如图所示，一个矿泉水瓶底部有一小孔。静止时用手指堵住小孔不让它漏水，假设水瓶在下述几种运动过程中没有转动且忽略空气阻力，则

A．水瓶自由下落时，小孔向下漏水

B．将水瓶竖直向上抛出，水瓶向上运动时，小孔向下漏水；水瓶向下运动时，小孔不向下漏水

C．将水瓶水平抛出，水瓶在运动中小孔向下漏水

D．将水瓶斜向上抛出，水瓶在运动中小孔不向下漏水

An analyst gathered the following data about a company: Current liabilities are $ 300. Total debt is $ 900. Working capital is $ 200. Capital expenditures are $ 250. Total assets are $ 2000. Cash flow from operations is $ 400. If the company would like a current ratio of 2, they could :（）

A. decrease current assets by 100 or increase current liabilities by 50.

B. decrease current assets by 100 or decrease current liabilities by 50.

C. increase current assets by 100 or decrease current liabilities by 50.