【单选题】 Learners cannot assimilate information that (is presented to) (him) at (a higher level) of abstraction (that) at which they feel comfortable.
A.is presented to
B.him
C.a higher level
D.that
网考网参考答案:B
网考网解析:
him改为them。句子的主语是learners,复数,其相应的代词也应该是复数形式。
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