WhentheshipsailedoutfromThailand,the16sailorsonboard

問題詳情：

When the ship sailed out from <?xml:namespace prefix = st1 />Thailand, the 16 sailors on board __ that only half of them would return again.  

A. will never think                          B. can never think  

C. needn't have thought                  D. couldn't have thought  

【回答】

知識點：虛擬語氣與情態動詞

題型：選擇題