Tom cannot tell the difference between Coke and Pepsi. For Tom, these goods are

游客2025-06-21  1

问题 Tom cannot tell the difference between Coke and Pepsi. For Tom, these goods are ______.

选项 A、perfect substitutes.
B、perfect complements.
C、necessities.
D、None of the above.

答案 A

解析
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