关于 prep IR 26的疑问

LilianFighting

请问哪位同学做过这道IR题，

我的疑问是关于削弱的部分，原文中指出这是一个 one-room building, 那么为什么B不是很好地削弱的选项呢，请指点，非常感谢！

REP 26.



Archaeologistsexcavating an ancient Chi-Xua site found a small statue along with white-and –red striped pottery fragments and small bits of clothing in a one-room building approximately 6 meters by 5 meters. The building had a single entrance, opening to a narrow exterior porch. The building’s walls were made of local sandstone.



Select the proposition that, if true, would provide the strongest evidence for the hypothesis that the room had a residential functionand select the proposition that, if true, would provide the strongest evidence against the hypothesis. Make only two selections, one in each column.

	FOR	AGAINST
A			Local sandstone was rarely used for building in ancient Chi-Xua sites.
B			Nearly all Chi-Xua residential buildings had multiple rooms.
C			Some Chi-Xua buildings included multiple storage rooms measuring approximately 30 square meters.
D			The cloth fragments did not contain the pigments commonly used in Chi-Xua ceremonial robes.
E			Rea-and-white pottery was used in Chi-Xua almost exclusively for personal food storage.