问题补充：
--- Can you tell me it is from here to the Summer Palace?
---Let me see. Its about 15 minutes ride.
A. how far
B. how soon
C. how much
D. how long
答案：
(答案→)A. how far
B. how soon
C. how much
D. how long
解析：句意：你能告诉我这儿到颐和园有多远吗？让我想一下，骑车大约15分钟的路程。how far多远， how soon多久，how much多少， how long多久。根据Its about 15 minutes ride骑车大约15分钟的路程，可知在问多远，故选A.
