单选题 Dr. Calerin's efforts could lead to the development of a treatment for cancer, but they have received ______ media attention.
A. least B. a few C. little D. fewer

【正确答案】 C
【答案解析】[解析] 通过转折连词but可以知道，前一句表示开发癌症治疗方法的内容，后面应该接表示没能得到舆论关注这种相反的内容。因此空格需填入带有否定意义的限定词。