The Great Wall is tourist attraction that millions of people pour in every year.
A. so a well-known
B. a so well-known
C. such well-known
D. such a well-known
网友回答
A. so a well-known
B. a so well-known
C. such well-known
D. such a well-known
解析：考查so---that 和such-----that的辨析。So+adj./adv.+that; such+a/an(adj.)+n.+that,都表示太----以至于----；故选D符合。