—I found the mark rather frightening.
— It frightened me to death just now.
A. That's reasonable advice.
B. Isn't it a good idea?
C. Do you think so?
D. I can't agree more.
网友回答
A. That's reasonable advice.
B. Isn't it a good idea?
C. Do you think so?
(答案→)D. I can't agree more.
解析：考查情景交际。句意：--我觉得那个标记相当吓人。--非常同意。它刚才（差点）把我吓死。根据答语可知，第二个人同意第一个人的观点。A那是合理的建议；B不是个好主意吗？；C你是这样认为的吗？D非常同意。故选D。