She felt______of having asked such a silly question when the audience couldn't help laughing.
【正确答案】 D
【答案解析】解析:本题考查形容词辨析。be ashamed of,因……感到羞耻,惭愧:be guilty of,犯有……罪,过失。根据句意,因为大家都在笑,所也应该是感到羞耻。crazy,疯狂的;miserable,悲惨的。