【正确答案】 A

【答案解析】[解析] regret：feel regret about sth.对……感到懊悔。sorry：后悔的。The manager had said that he was sorry and there was nothing he could do about it.经理说过他很遗憾，对此他没有什么办法。I'm sorry to be late.对不起，我来晚了。disappointed：失望的。They were very disappointed at the outcome of the talks.他们对会议的结果深感失望。shameful：可耻的，不光彩的。To steal money from a blind person is a shameful act.偷盲人的钱是可耻的行为。disheartened：泄气。She is easily disheartened by difficulties.面对困难，她很容易泄气。