Question

【题目】— is it from Suqian to Jiuzhai Valley?
—About l,900 kilometers away. But I'm not sure.
A.How often
B.How soon
C.How long
D.How far

Answer 1

【答案】D
【解析】根据答语About l,900 kilometers away. But I'm not sure.可知是询问“距离”，用How far 提问，故选D。