Although he had looked through the reference material on the subject, he still found it hard to understand this point and her explanation only （） to his confusion.
Although he had looked through the reference material on the subject, he still found it hard to understand this point and her explanation only （） to his confusion.
A.extended
B.amounted
C.added
D.turned
正确答案：C
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时间：2023-11-12 11:08:39