——He ought to have been warned of the danger.
—— , but he wouldn’t listen to me.
A. yes, he ought to
B. So he was
C. So was he
D. So it was with him
网友回答
A. yes, he ought to
B. So he was
C. So was he
D. So it was with him
解析：考查“so +主语+助动词”的用法。强调“我的确警告他了，但是他没有听从我的建议。”选项A最具有迷惑性，学生容易受思维定势的影响。“ought to have done sth”表示“该做的事而没有做”，注意上下文的联系。