问题补充：
from London to Beijing!
A. How long it is
B. What a long way it is
C. What distance is it
D. How far is it
答案：
A. How long it is
(答案→)B. What a long way it is
C. What distance is it
D. How far is it
解析：根据下文从伦敦到北京和句子末尾的叹号，可知上文是感叹距离的长短。How long多用来表示时间的长短，选项CD为倒装语序，感叹句应为陈述语序，故选B。那是多长的一段路啊！
