【正确答案】 A

【答案解析】细节题。第二段开始提到：“People who are near-sighted can only see things that are very clese to their eyes． Everything else seems blurry(=unclear)．”近视的人只能看清近处的事物，其他一片模糊。问题从反向提问，看不清远处事物的也就是近视眼。因此答案为A。