单选题 {{U}} {{/U}} in ancient times, the book still appears to readers today.
【正确答案】 A
【答案解析】[考点] 让步状语从句 [解析] though意思是”尽管,虽然”,引导让步状语从句,此句相当于though it was written。B、D两项缺少连接词,而C又缺少谓语,所以应选A。