The patient_____ to another hospital when we got there.1.was sending 2.had sent 3.will be sent 4.had been sent

The patient_____ to another hospital when we got there.1.was sending 2.had sent 3.will be sent 4.had been sent We'll go to see the patient_____ we are busy.A.even if B.while为什么不选b,while不也是可以引导让步状语从句,翻译成 虽然,求分析……while做连词时，除表示当…时，还有一层意思是虽然，尽管，如：While re to the to the to the to the to the the key to the the attitude to the the way to the the exception to the Commitment to the where to the man to talk to the tree Loyal to the motherland,to the people. the door to the world the answer to the question the courage to bear the the bridge to the world