题目

古代希腊人将流放视为一种比死刑更为严重的刑罚，因而其对被处死刑者以逃亡他乡而逃避死刑的情形加以放任。出现这一现象的原因是（ ） A . 海外流放生活痛苦不堪 B . 城邦是个人荣誉的源泉 C . 希腊缺少民主法治精神 D . 希腊商品经济高度发达 答案：B— I come all the way to say "Thank you" and we ________ it without you.— Think nothing of it. [     ]A. should have done  B. mustn't have doneC. couldn't have done  D. needn't have done