Today we have chat rooms, text messaging, emailing… but we seem ________the art of communicating face-to-face.

A．Losing

B．to be losing

C．to be lost

D．having lost

( )风险数据模糊、不可靠、不完整，长期可比性差，尾部显得更肥，有可能产生巨大损失。

A．市场

B．操作

C．声誉

D．信用