On hearing the news, he stood up, and. ________the dictionary lying open on the desk,    out of the classroom.

A．leaving; rushed

B．left; rushed

C．leaving; rushing

D．left; rushing

应当先履行合同债务的当事人，行使不安履行抗辩权的情形是：有确切证据证明对方( )。

A．经营状况严重恶化

B．丧失商业信誉

C．转移财产

D．更换法定代表人

E．抽逃资金