— He ought to have been warned of the danger. — but he just wouldn’t listen to me.A. So

问题补充：

— He ought to have been warned of the danger.

— , but he just wouldn’t listen to me.

A. So ought he

B. So he was

C. So was he

D. So he had

答案：

@@A. So ought he@@B. So he was@@C. So was he@@D. So he had

解析：ought to have been warned of表示“本应该被告诫有危险”，是对过去动作的推测，因此回答也应该用过去时。A的构成形式不对。而So he was必须与第一句谓语动词have been一致。