题目：
——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
答案：
B
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。
