我们可以通过买卖差价、换手率等指标来评价金融工具的流动性。

A、a=1
B、a>10
C、a++
D、不确定

I sw womn running towrd me in the drk. Before I could recognize who she ws, she hd run bck in the direction ______ she hd come.of which B．from where C．in which D．from whichA．of whichB．from whereC．in whichD．from which