问题补充：
from Beijing to London!
A. How long way it is
B. What a long way it is
C. How long way is it
D. What a long way is it
答案：
A. How long way it is
(答案→)B. What a long way it is
C. How long way is it
D. What a long way is it
解析：词句为感叹句，其结构为：What+a/an+形容词+名词+主语+谓语！或How+形容词/副词+主语+谓语！
