【答案解析】[解析] 画线词remedy为动词，意为“改正”，D项correct意为“改正”；例：Would you help me correct my pronunciation?你能帮我矫正发音吗?A项clarify意为“澄清，阐明，使……明晰”；例：I hope that what I say will clarify the situation.我希望我说的话能澄清这一情况。B项diagnose意为“诊断，判断”；例：The doctor diagnosed measles.医生诊断出了麻疹。C项evaporate意为“蒸发，挥发；消失”；例：The water soon evaporated in the sunshine.水在阳光下不久就蒸发了。故选D。