问题补充：
—Excuse me, is Dalian from Beijing ?
—It’s about three hours by car.
A. how wide
B. how long
C. how far
D. how fast
答案：
A. how wide
B. how long
(答案→)C. how far
D. how fast
解析：A. how wide 多宽 B. how long 多长，多用于指时间 C. how far 多远，指距离 D. how fast多快；句意：打扰了，请问从北京到大连有多远？开车大约3小时。故选C
