— Did you go to the open-air concert?

— No. We ____. but we spent too much time shopping.[      ]

A. could have gone                  

B. must have gone

C. can't have gone                  

D. shouldn't have gone

持有过量现金可能导致的不利后果是 ( )。

A．财务风险加大

B．收益水平下降

C．偿债能力下降

D．资产流动性下降