2. 职称英语
  3. A mother will arrive at the discovery, either instinctively or by an unconscious

A mother will arrive at the discovery, either instinctively or by an unconscious

游客2025-03-20  23
问题 A mother will arrive at the discovery, either instinctively or by an unconscious series of trials and errors, that her baby is more at peace if______on the left against her heart than on the right.
选项 A、holding
B、held
C、having held
D、being held
答案 B
解析 句中that从句是discovery的同位语，if从句又是该同位语从句中的子从句，其逻辑主语是baby，与hold动作是被动关系"被抱着"，所以应该用被动形式，排除hold—ing和having held。being held之所以错，是因为if从句是省略结构，按规则，be动词也应一并省去。
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