It is well known that the minimum penalty for this crime is 2 years' imprisonment.
【正确答案】 D
【答案解析】解析:penalty和publishment都有“处罚,处罚”的意思。conviction“深信,定罪”;span“跨度,跨距”;mercy“仁慈,宽恕”。分析向意,对罪行应该是进行处罚。其他选项代入句中意思不符,故选D。