企业流动资金贷款按期限分为（）
A.短期和中期贷款
B.短期和长期贷款
C.短期、中期、长期贷款
D.短期和中长期贷款
参考答案：A
We were going out for a Christmas meal together ____ the accident happened.
A．unless
B．until
C．while
D．when
