【正确答案】 C

【答案解析】[解析] 画线词原形achieve为动词，意为“获得”。A项reach意为“到达”；例：We drove along a muddy lane to reach the farmhouse. 我们驾车沿泥泞的小路到达农舍。B项arrive意为“到达”；例：I'll wait until they arrive. 我会一直等到他们到来。C项attain意为“获得”；例：To attain knowledge, add things every day. 要获得知识，就要每天积累。D项take意为“拿；取”；例：Don't forget to take out the garbage. 别忘了把垃圾拿出去。故选C。