问题描述：
Zunhua is one of the famous tourism destinations,----lies Dongling ,a group of the Qing Imperial Tombs.
A 20 miles northwest of it
B 20 miles northwest of which
c northwest 20 miles to it
D northwest 20 miles of which
A 20 miles northwest of it
B 20 miles northwest of which
c northwest 20 miles to it
D northwest 20 miles of which
问题解答：
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