单选题 The criminal was told he would be ______ from punishment if he said what he knew about the murder.
【正确答案】 A
【答案解析】[解析] 形容词词义辨析。根据if条件句提供的语境，此处表示“免除惩罚”，be immune from为固定搭配，符合要求。故答案为A。