The house was very quiet, ______ as it was on the side of a mountain.
A. isolatedB. isolating C. being isolated D. having been isolated
人气：308 ℃ 时间：2020-04-03 14:39:19
解答
A.is correct
The question showed you "Why so quiet" not showed you "When" so forget about v+ing or have v+ed
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