. If it _____ sunny, we _______ a picnic. But it is raining now.

A．had been, could have had

B．were, could have

C．had been, had

D．is, could have

在对船员进行正式检查过程中，中国籍船员在服务船舶上工作期间首次出境和末次入境时在出入境证件上加盖员工验讫章。