单选题 In order to search for the escaped prisoner, the policeman decided to question______ comes along this road.
【正确答案】 C
【答案解析】引导词的用法
whoever相当于anyone who,题中强调的是“任意谁,无论谁”,who和whom均不能表达这一意思,而whomever在从句中做宾语成分,不合题意,故选C。