We found that the date of shipment is not______as we have agreed

We found that the date of shipment is not______as we have agreed.
A、extending
B、extended
C、reach
D、run
【正确答案】：B
【题目解析】：extend表示“延展（时间）”，句子中extend与其主语the date of shipment是被动关系。故选B项。