________ofthestorm,thefishermenwereabletodragtheirboats...

問題詳情：

________ of the storm, the fishermen were able to drag their boats into the safe area before they were destroyed by the storm.

A. Being warned   B. Having warned  C. Having been warned   D. Warning

【回答】

C

知識點：非謂語動詞

題型：選擇題