【正确答案】 D

【答案解析】[解析] 画线词remedy为动词，意为“治疗；补救”。A项disrupt意为“破坏；分裂”；例：They made several attempts to disrupt our meetings. 他们屡次试图破坏我们的集会。B项diagnose意为“诊断”；例：Routine tests will diagnose the condition accurately. 常规检查会准确地诊断病情。C项evaporate意为“蒸发；使脱水”；例：Heat evaporates water. 加热使水蒸发。D项cure意为“治疗”；例：Herb can be used to cure insomnia. 药草可用来治疗失眠。故选D。