单选题 We should always bear in mind that ______ decisions often result in serious consequences.
【正确答案】 D
【答案解析】[解析] 由后半句中的“常常会产生严重的后果”可推知决定应为hasty(仓促的，草率的，急躁的)。如：They shouldn"t have made such a hasty decision．他们本不该作出这样草率的决定。