_________alltherequiredpapers,hedidn’tanswerthequestion...

問題詳情：

_________ all the required papers, he didn’t answer the questions fluently in class.

A．Having not read                                  B．Not having read    

C．Not read                            D．Not to read

【回答】

B

知識點：非謂語動詞

題型：選擇題