allow sb to do，排除CDE
引用：本选项的错误主要在于划线部分最后的定语从句部分。先行词public employment, relief, and social security在定语从句中充当主语，即，
public employment, relief, and social security were in large measure what they had been responsible for
in large measure的意思是“在很大程度上”。在逻辑上，不是社会安全等在很多程度上负责，而是这两个女性在很大程度上负责社会安全。因此，必须用two women做were in large measure的主语。
积累：brain trust 智囊团
in large meaure = to a great extent 很大程度上
B correct
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A，不平行
B，逻辑主语有误
C，when表述关系有误
D，伴随状语的逻辑主语有误
E correct