Their forgetting the date of the discussion showed that they did not understand the________of the

question. [      ]

A . quality  

B. patience

C. importance  

D. difference

诉前财产保全是指债权银行因情况紧急，不立即申请财产保全将会使其合法权益受到难以弥补的损失，因而在起诉前向( )申请采取财产保全措施。

A．人民法院
B．商业银行
C．工商局
D．税务局