【正确答案】 C

【答案解析】[分析] 词义辨析。 eradicate根除，消灭：Smallpox has almost been eradicated．天花几乎已消灭。 ignore故意不理睬：I said hello to her, but she ignored me completely．我向她打招呼，可她根本不理我。exalt颂扬。