下列选项，回答 126～129 题：
第 126 题 受精卵（）
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56 What does the author imply by saying “currencies don’t turn on a dime” (Line 2,Para 7)？
A. The dollar’s value will not increase in the short term.
B. The value of a dollar will not be reduced to a dime
C. The dollar’s value will drop, but within a small margin.
D. Few Americans will change dollars into other currencies.
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