单选题 Although he has no education, he is one of the ______ businessmen in the company.
A. sternest B. shrewdest C. nastiest D. naughtiest

【正确答案】 B
【答案解析】[考点] 形容词词义辨析
[解析] 他没有受过教育，却很精明。故正确答案为B项“shrewd精明的，敏锐的”。