Q14:
The single-family house constructed by the Yana, a Native American people who lived in what is now northern California, was conical in shape, its framework of poles overlaid with slabs of bark, either cedar or pine, and banked with dirt to a height of three to four feet.
A. banked with dirt to a height of
B. banked with dirt as high as that of
C. banked them with dirt to a height of
在这里能否通过run-on排除DE？若能，我就支持A，若不能，义无反顾指向D……
我豁出去了……
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