If Greeks and Turks had not helped each other after the earthquakes five years ago,they____ mortal enemies instead of friendly neighbors later on..

A．would have been

B．might be

C．should have been

D．must have been

在途库存量是指计划（）期已经下达了采购计划或生产计划数量。

A.中

B.初

C.末

D.后